Table of turn tunnels
Encyclopedia
Lists of spiral (helicoidal) tunnels
Spiral (railway)
A spiral is a technique employed by railways to ascend steep hills.A railway spiral rises on a steady curve until it has completed a loop, passing over itself as it gains height, allowing the railway to gain vertical elevation in a relatively short horizontal distance...

 and tunnels on a curved alignment
on railway lines worldwide.

A part of a line is bracketed , if it is located in a country other than that mentioned in the specific table:

Example: :(Lausanne – Montreux – Sierre – Visp – Brig – ) → Switzerland
Switzerland
Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....


South Africa

Line Location Tunnel Name Kind of Tunnel Length in m Gradient in ‰ Kind of Operation Gauge in mm Railway Company Remarks
Van Reenen Spiral 1,067 South African Railways 28.367°N 29.43049°W

United States

Line Location Tunnel Name Kind of Tunnel Length in m Gradient in ‰ Kind of Operation Gauge in mm Railway Company Remarks
Stevens Pass
Stevens Pass
Stevens Pass is a mountain pass through the Cascade Mountains located at the border of King County and Chelan County in Washington, United States....

Martin Creek
Martin Creek
Martin Creek, known locally as Dennis Martin Creek, is a north by northeastward-flowing stream originating just east of Skyline Boulevard in the Santa Cruz Mountains, near the community of Skylonda in San Mateo County, California, United States. It flows through the town of Woodside before...

Spiral about 300 2.2 1,435 Great Northern Railway Built by 1883, Retired in 1929 by the opening of the new Cascade Tunnel
Cascade Tunnel
The Cascade Tunnel refers to two tunnels at Stevens Pass through the Cascade Mountains, approximately to the east of Everett, Washington. The first Cascade Tunnel was a 2.63-mile long single track railroad, built by the Great Northern Railway in 1900 to avoid problems caused by heavy winter...

. 47.723822°N 121.200340°W

Canada

Line Location Tunnel Name Kind of Tunnel Length in m Gradient in ‰ Kind of Operation Gauge in mm Railway Company Remarks
Kicking Horse Pass
Kicking Horse Pass
Kicking Horse Pass is a high mountain pass across the Continental Divide of the Americas of the Canadian Rockies on the Alberta/British Columbia border, and lying within Yoho and Banff National Parks...

Big Hill
Big Hill
The Big Hill on the Canadian Pacific Railway main line in British Columbia, Canada, was the most difficult piece of railway track on the Canadian Pacific Railway's route. It was situated in the rugged Canadian Rockies west of the Continental Divide and Kicking Horse Pass...

Spiral two of 900 22 Adhesion 1,435 Canadian Pacific

Croatia

Line Location Tunnel Name Kind of Tunnel Length in m Gradient in ‰ Kind of Operation Gauge in mm Railway Company Remarks
Zagreb
Zagreb
Zagreb is the capital and the largest city of the Republic of Croatia. It is in the northwest of the country, along the Sava river, at the southern slopes of the Medvednica mountain. Zagreb lies at an elevation of approximately above sea level. According to the last official census, Zagreb's city...

 - Rijeka
Rijeka
Rijeka is the principal seaport and the third largest city in Croatia . It is located on Kvarner Bay, an inlet of the Adriatic Sea and has a population of 128,735 inhabitants...

Rijeka
Rijeka
Rijeka is the principal seaport and the third largest city in Croatia . It is located on Kvarner Bay, an inlet of the Adriatic Sea and has a population of 128,735 inhabitants...

Brajdica Spiral 1,873 21 Adhesion 1,435
Croatian Railways
Croatian Railways is the national railway company of Croatia. It was formed after the dissolution of Yugoslavia and Yugoslav Railways.Croatia is a member of the International Union of Railways . The UIC Country Code for Croatia is 78.-Railway network:...

Nearly a 360° loop entirely in tunnel.

France

Line Location Tunnel Name Kind of Tunnel Length in m Gradient in ‰ Kind of Operation Gauge in mm Railway Company Remarks
Nice
Nice
Nice is the fifth most populous city in France, after Paris, Marseille, Lyon and Toulouse, with a population of 348,721 within its administrative limits on a land area of . The urban area of Nice extends beyond the administrative city limits with a population of more than 955,000 on an area of...

 - Tende
Tende
Tende is a commune in the Alpes-Maritimes department in southeastern France.-Geography:Tende is located within Mercantour National Park in the French Alps. The mountainous commune is bordered by Italy to the north, with the boundary determined by the watershed line between the two countries...

Tunnel de Berghe Turn 1,884 Adhesion 1,435 SNCF
SNCF
The SNCF , is France's national state-owned railway company. SNCF operates the country's national rail services, including the TGV, France's high-speed rail network...

Nice
Nice
Nice is the fifth most populous city in France, after Paris, Marseille, Lyon and Toulouse, with a population of 348,721 within its administrative limits on a land area of . The urban area of Nice extends beyond the administrative city limits with a population of more than 955,000 on an area of...

 - Tende
Tende
Tende is a commune in the Alpes-Maritimes department in southeastern France.-Geography:Tende is located within Mercantour National Park in the French Alps. The mountainous commune is bordered by Italy to the north, with the boundary determined by the watershed line between the two countries...

Tunnel de Rioro Spiral 1,828 Adhesion 1,435 SNCF
SNCF
The SNCF , is France's national state-owned railway company. SNCF operates the country's national rail services, including the TGV, France's high-speed rail network...

Nice
Nice
Nice is the fifth most populous city in France, after Paris, Marseille, Lyon and Toulouse, with a population of 348,721 within its administrative limits on a land area of . The urban area of Nice extends beyond the administrative city limits with a population of more than 955,000 on an area of...

 - Tende
Tende
Tende is a commune in the Alpes-Maritimes department in southeastern France.-Geography:Tende is located within Mercantour National Park in the French Alps. The mountainous commune is bordered by Italy to the north, with the boundary determined by the watershed line between the two countries...

Tunnels des gorges du Paganin Spiral 1,702 Adhesion 1,435 SNCF
SNCF
The SNCF , is France's national state-owned railway company. SNCF operates the country's national rail services, including the TGV, France's high-speed rail network...

Nice
Nice
Nice is the fifth most populous city in France, after Paris, Marseille, Lyon and Toulouse, with a population of 348,721 within its administrative limits on a land area of . The urban area of Nice extends beyond the administrative city limits with a population of more than 955,000 on an area of...

 - Tende
Tende
Tende is a commune in the Alpes-Maritimes department in southeastern France.-Geography:Tende is located within Mercantour National Park in the French Alps. The mountainous commune is bordered by Italy to the north, with the boundary determined by the watershed line between the two countries...

Tunnels de Bosseglia Turn 1,583 Adhesion 1,435 SNCF
SNCF
The SNCF , is France's national state-owned railway company. SNCF operates the country's national rail services, including the TGV, France's high-speed rail network...

Nice
Nice
Nice is the fifth most populous city in France, after Paris, Marseille, Lyon and Toulouse, with a population of 348,721 within its administrative limits on a land area of . The urban area of Nice extends beyond the administrative city limits with a population of more than 955,000 on an area of...

 - Tende
Tende
Tende is a commune in the Alpes-Maritimes department in southeastern France.-Geography:Tende is located within Mercantour National Park in the French Alps. The mountainous commune is bordered by Italy to the north, with the boundary determined by the watershed line between the two countries...

Galleria elicoidale di Vernante Spiral 1,502 Adhesion 1,435 SNCF
SNCF
The SNCF , is France's national state-owned railway company. SNCF operates the country's national rail services, including the TGV, France's high-speed rail network...

Nice
Nice
Nice is the fifth most populous city in France, after Paris, Marseille, Lyon and Toulouse, with a population of 348,721 within its administrative limits on a land area of . The urban area of Nice extends beyond the administrative city limits with a population of more than 955,000 on an area of...

 - Tende
Tende
Tende is a commune in the Alpes-Maritimes department in southeastern France.-Geography:Tende is located within Mercantour National Park in the French Alps. The mountainous commune is bordered by Italy to the north, with the boundary determined by the watershed line between the two countries...

Tunnel Cagnolina Spiral 1,468 Adhesion 1,435 SNCF
SNCF
The SNCF , is France's national state-owned railway company. SNCF operates the country's national rail services, including the TGV, France's high-speed rail network...

Nice
Nice
Nice is the fifth most populous city in France, after Paris, Marseille, Lyon and Toulouse, with a population of 348,721 within its administrative limits on a land area of . The urban area of Nice extends beyond the administrative city limits with a population of more than 955,000 on an area of...

 - Tende
Tende
Tende is a commune in the Alpes-Maritimes department in southeastern France.-Geography:Tende is located within Mercantour National Park in the French Alps. The mountainous commune is bordered by Italy to the north, with the boundary determined by the watershed line between the two countries...

Tunnel Branego Turn 1,273 Adhesion 1,435 SNCF
SNCF
The SNCF , is France's national state-owned railway company. SNCF operates the country's national rail services, including the TGV, France's high-speed rail network...

Nice
Nice
Nice is the fifth most populous city in France, after Paris, Marseille, Lyon and Toulouse, with a population of 348,721 within its administrative limits on a land area of . The urban area of Nice extends beyond the administrative city limits with a population of more than 955,000 on an area of...

 - Tende
Tende
Tende is a commune in the Alpes-Maritimes department in southeastern France.-Geography:Tende is located within Mercantour National Park in the French Alps. The mountainous commune is bordered by Italy to the north, with the boundary determined by the watershed line between the two countries...

Tunnel de Porcarezzo Turn 1,250 Adhesion 1,435 SNCF
SNCF
The SNCF , is France's national state-owned railway company. SNCF operates the country's national rail services, including the TGV, France's high-speed rail network...


Germany

Line Location Tunnel Name Kind of Tunnel Length in m Gradient in ‰ Kind of Operation Gauge in mm Railway Company Remarks
Offenburg - Singen Niederwasser Tunnel Curved alignment 558 17-19 Adhesion 1,435 DB
Deutsche Bahn
Deutsche Bahn AG is the German national railway company, a private joint stock company . Headquartered in Berlin, it came into existence in 1994 as the successor to the former state railways of Germany, the Deutsche Bundesbahn of West Germany and the Deutsche Reichsbahn of East Germany...

Offenburg - Singen Triberg Grosser Triberg Tunnel Curved alignment 835 17-19 Adhesion 1,435 DB
Deutsche Bahn
Deutsche Bahn AG is the German national railway company, a private joint stock company . Headquartered in Berlin, it came into existence in 1994 as the successor to the former state railways of Germany, the Deutsche Bundesbahn of West Germany and the Deutsche Reichsbahn of East Germany...

Wutach Valley Railway Grosser Stockhalde Tunnel Spiral 1,700 Adhesion 1,435 DB
Deutsche Bahn
Deutsche Bahn AG is the German national railway company, a private joint stock company . Headquartered in Berlin, it came into existence in 1994 as the successor to the former state railways of Germany, the Deutsche Bundesbahn of West Germany and the Deutsche Reichsbahn of East Germany...

Wutach Valley Railway Kehrtunnel im Weiler Curved alignment 1,205 Adhesion 1,435 DB
Deutsche Bahn
Deutsche Bahn AG is the German national railway company, a private joint stock company . Headquartered in Berlin, it came into existence in 1994 as the successor to the former state railways of Germany, the Deutsche Bundesbahn of West Germany and the Deutsche Reichsbahn of East Germany...


Italy

Line Location Tunnel Name Kind of Tunnel Length in m Gradient in ‰ Kind of Operation Gauge in mm Railway Company Remarks
(Lausanne
Lausanne
Lausanne is a city in Romandy, the French-speaking part of Switzerland, and is the capital of the canton of Vaud. The seat of the district of Lausanne, the city is situated on the shores of Lake Geneva . It faces the French town of Évian-les-Bains, with the Jura mountains to its north-west...

 – Montreux
Montreux
Montreux is a municipality in the district of Riviera-Pays-d'Enhaut in the canton of Vaud in Switzerland.It is located on Lake Geneva at the foot of the Alps and has a population, , of and nearly 90,000 in the agglomeration.- History :...

 – Sierre
Sierre
Sierre is the capital of the district of Sierre in the canton of Valais in Switzerland. It has a population of 14,355.It is situated on the French–German language border of the canton of Wallis...

 – Visp
Visp
Visp is the capital of the district of Visp in the canton of Valais in Switzerland.-Geography:Visp has an area, , of . Of this area, 17.0% is used for agricultural purposes, while 59.7% is forested...

 – Brig
Brig, Switzerland
Brig, officially Brig-Glis is a municipality in the district of Brig in the canton of Valais in Switzerland.The current municipality was formed in 1972 through the merger of Brig , Brigerbad and Glis.-History:...

 – ) Iselle
Iselle di Trasquera railway station
Iselle di Trasquera railway station serves the village of Iselle and comune of Trasquera, in the region of Piedmont, northwestern Italy. Opened in 1906, the station is at the southern portal of the Simplon tunnel, on the Brig–Domodossola railway, between Brig, Switzerland and Domodossola, Italy...

 – Domodossola
Domodossola
Domodossola is a city and comune in the Province of Verbano-Cusio-Ossola, in the region of Piedmont, northern Italy...

Iselle, Varzo Trasquera Spiral 1,712 22 Adhesion 1,435 SBB Simplon Line
Simplon Tunnel
The Simplon Tunnel is an Alpine railway tunnel that connects the Swiss town of Brig with Domodossola in Italy, though its relatively straight trajectory does not run under Simplon Pass itself. It actually consists of two single-track tunnels built nearly 20 years apart...

(Lausanne – Montreux – Sierre – Visp – Brig – ) Iselle – Domodossola Iselle, Varzo Varzo Spiral 2,968 22 Adhesion 1,435 SBB Simplon Line (probably the longest curved alignment tunnel in the world)
(Locarno
Locarno
Locarno is the capital of the Locarno district, located on the northern tip of Lake Maggiore in the Swiss canton of Ticino, close to Ascona at the foot of the Alps. It has a population of about 15,000...

 – Intragna
Intragna TI
Intragna was a municipality in the district of Locarno in the canton of Ticino in Switzerland. On 25 October 2009 the municipalities of Borgnone, Intragna and Palagnedra merged into the municipality of Centovalli....

 – ) Camedo
Borgnone
Borgnone was a municipality in the district of Locarno in the canton of Ticino in Switzerland. On 25 October 2009 the municipalities of Borgnone, Intragna and Palagnedra merged into the municipality of Centovalli.-History:...

 – Domodossola
Trontano
Trontano
Trontano is a comune in the Province of Verbano-Cusio-Ossola in the Italian region Piedmont, located about 120 km northeast of Turin and about 25 km northwest of Verbania...

Pelcetino Loop/Curved alignment 196 60 Adhesion 1,000 (FART), SSIF
(Metropolitana di Napoli
Metropolitana di Napoli
Metropolitana di Napoli is the metro system serving the city of Naples, Italy. The system includes three underground rapid transit lines and commuter railways , with planned upgrading and expansion work underway...

) Line 1
Napoli
Naples
Naples is a city in Southern Italy, situated on the country's west coast by the Gulf of Naples. Lying between two notable volcanic regions, Mount Vesuvius and the Phlegraean Fields, it is the capital of the region of Campania and of the province of Naples...

Spiral 55 Adhesion 1,435 Metronapoli
Metropolitana di Napoli
Metropolitana di Napoli is the metro system serving the city of Naples, Italy. The system includes three underground rapid transit lines and commuter railways , with planned upgrading and expansion work underway...

metro/subway line
Ferrovia Nulvi-Tempio-Palau (Italian) Nulvi
Nulvi
Nulvi is a comune in the Province of Sassari in the Italian region Sardinia, located about 180 km north of Cagliari and about 20 km northeast of Sassari. As of 31 December 2004, it had a population of 2,983 and an area of 67.7 km².Nulvi borders the following municipalities:...

 – Tempio – Palau (Sardinia
Sardinia
Sardinia is the second-largest island in the Mediterranean Sea . It is an autonomous region of Italy, and the nearest land masses are the French island of Corsica, the Italian Peninsula, Sicily, Tunisia and the Spanish Balearic Islands.The name Sardinia is from the pre-Roman noun *sard[],...

)
Galleria elicoidale di Bortigiadas Curved alignment Adhesion 950 Trenino Verde Tourist service only
Torino - San Giuseppe di Cairo
Cairo Montenotte
Cairo Montenotte is a comune in the Province of Savona in the Italian region Liguria, located about 50 km west of Genoa and about 20 km northwest of Savona...

 - Savona
Savona
Savona is a seaport and comune in the northern Italian region of Liguria, capital of the Province of Savona, in the Riviera di Ponente on the Mediterranean Sea....

Savona
Savona
Savona is a seaport and comune in the northern Italian region of Liguria, capital of the Province of Savona, in the Riviera di Ponente on the Mediterranean Sea....

Santuario Curved alignment 2063 30~ Adhesion 1,435 FS makes a complete loop with some open air sections and other two shorter tunnels
Cuneo
Cuneo
Cuneo is a city and comune in Piedmont, Northern Italy, the capital of the province of Cuneo, the third largest of Italy’s provinces by area...

 - Breil-sur-Roya (France) - Ventimiglia/Nice
Cuneo
Cuneo
Cuneo is a city and comune in Piedmont, Northern Italy, the capital of the province of Cuneo, the third largest of Italy’s provinces by area...

 - Breil-sur-Roya
Breil-sur-Roya
Breil-sur-Roya is a commune in the Alpes-Maritimes department in southeastern France.-Population:-Transportation:...

Unknown Spiral/Curved alignment Adhesion 1,435 FS Four separate spirals plus several further curved alignments. Originally 3-phase electrified.
Roccasecca - Avezzano
Avezzano
Avezzano is a town and comune in the Abruzzo region, province of L'Aquila. It is the main commercial, industrial and agricultural centre of the Marsica area, with high-tech industries such as a Micron Technology semi-conductor plant, and a large Telespazio satellite farm.-History:There are two...

Capistrello
Capistrello
Capistrello is a comune and town in the Province of L'Aquila in the Abruzzo region of Italy....

Capistrello-La Giorgia S-shaped 2750 ? Adhesion 1,435 FS

Switzerland

The turn tunnels in the following table are sorted from West to East according the location of the start point of the line.
Line Location Tunnel Name Kind of Tunnel Length in m Gradient in ‰ Kind of Operation Gauge in mm Railway Company Remarks
Bex
Bex
Bex is a municipality in the canton of Vaud, Switzerland, located in the district of Aigle. It is a few miles south of its sister town municipality of Aigle.-The Bex Salt Mine:Bex is the site of a famous salt mine....

 – Bretaye
Fontannaz-Seulaz Fontannaz-Seulaz Loop/Curved alignment 182 195 Rack 1,000 TPC (BVB)
Martigny – Châtelard( – Vallorcine
Vallorcine
Vallorcine is a municipality in the Haute-Savoie department in the Rhône-Alpes State in south-eastern France.-Geography:Located at the foot of the Mont Blanc Vallorcine is a tiny and so far unspoilt little ski village located within the Chamonix Valley and forming part of the Domaine de Balme ski...

 – Chamonix
Chamonix
Chamonix-Mont-Blanc or, more commonly, Chamonix is a commune in the Haute-Savoie département in the Rhône-Alpes region in south-eastern France. It was the site of the 1924 Winter Olympics, the first Winter Olympics...

)
Salvan
Salvan
Salvan can refer to:* Salvan, Switzerland, a municipality of the canton of Valais* Salvan, a planet in Isaac Asimov's Foundation Series...

Charbons Loop/Curved alignment 419 200 Rack 1,000 MC
Zermatt
Zermatt
Zermatt is a municipality in the district of Visp in the German-speaking section of the canton of Valais in Switzerland. It has a population of about 5,800 inhabitants....

 – Gornergrat
Gornergrat
The Gornergrat is a ridge of the Pennine Alps, Switzerland, overlooking the Gorner Glacier to the south. It can be reached by the Gornergratbahn rack railway from Zermatt...

Riffelalp Landtunnel Loop/Curved alignment
| align="right" | 174
200 Rack 1,000 GGB
Gornergratbahn
The Gornergratbahn is a nine-kilometre metre-gauge mountain rack railway, with Abt rack system. It leads from Zermatt, Switzerland , up to the Gornergrat...

Montreux
Montreux
Montreux is a municipality in the district of Riviera-Pays-d'Enhaut in the canton of Vaud in Switzerland.It is located on Lake Geneva at the foot of the Alps and has a population, , of and nearly 90,000 in the agglomeration.- History :...

 – Zweisimmen
Zweisimmen
Zweisimmen is a municipality in the Obersimmental-Saanen administrative district in the canton of Bern in Switzerland.-Geography:Zweisimmen has an area of . Of this area, 56.2% is used for agricultural purposes, while 32.9% is forested...

Montreux Montreux Loop/Curved alignment 184 65 Adhesion 1,000 MOB
Montreux-Oberland Bernois
The Montreux-Oberland Bernois railway , is a railway operating in southwest Switzerland, one of the oldest electric railways in the country; its main line, in length, built to gauge, connects Montreux, Gstaad and Zweisimmen where passengers can transfer to a branch of the standard gauge...

Montreux – Zweisimmen Chamby Chamby Loop/Curved alignment 314 67 Adhesion 1,000 MOB
Aigle
Aigle
Aigle is the capital of the district of Aigle in the canton of Vaud in Switzerland. The town has a population of 8,100 people.The name of this municipality in French means eagle.-Geography:...

 – Leysin-Grand Hotel
Leysin
Leysin is a municipality of the canton of Vaud in Switzerland, located in the district of Aigle.-History:Leysin is first mentioned around 1231-32 as Leissins. In 1352 it was mentioned as Leisins.-Geography:...

Leysin-Feydey Leysin Loop/Curved alignment 233 223 Rack 1,000 TPC (AL)
Transports Publics du Chablais
In the interests of the communities in the Chablais region, at the eastern end of Lake Geneva, it was decided in 1999, to bring together passenger transport companies, to co-ordinate and develop services and investment in transport in the area...

Aigle – Les Diablerets
Ormont-Dessus
Ormont-Dessus is a municipality of the canton of Vaud in Switzerland, located in the district of Aigle.-History:Ormont-Dessus is first mentioned in 1200 as Ormont. The German name of Ormund is no longer used.-Geography:...

Aigle Grand-Hôtel Loop/Curved alignment 119 60 Adhesion 1,000 TPC (ASD)
Transports Publics du Chablais
In the interests of the communities in the Chablais region, at the eastern end of Lake Geneva, it was decided in 1999, to bring together passenger transport companies, to co-ordinate and develop services and investment in transport in the area...

Montreux
Montreux
Montreux is a municipality in the district of Riviera-Pays-d'Enhaut in the canton of Vaud in Switzerland.It is located on Lake Geneva at the foot of the Alps and has a population, , of and nearly 90,000 in the agglomeration.- History :...

 – Rochers de Naye
Rochers de Naye
Rochers de Naye is a mountain above Montreux, from where the Chemin de fer Montreux-Glion-Rochers-de-Naye leads to its peak.In addition, it is also possible to access the summit by driving to Col de Jaman and then making the 2-3 hr hike to the peak....

Glion Valmont Loop/Curved alignment 385 130 Rack 800 MVR (MTGN)
Transports Montreux-Vevey-Riviera (MVR)
The Transports Montreux-Vevey-Riviera was a coming together, in 2001, of two small railway companies and two funicular companies in the Montreux / Vevey area of Switzerland. Some of these companies were, themselves, formed of amalgamations which had taken place over the years...

Montreux – Rochers de Naye Caux
Caux, Switzerland
Caux is a small village in the Canton of Vaud, Switzerland. It looks out over Lake Geneva from an altitude of 1000 meters.The former Caux-Palace Hotel in the village is the home of Initiatives of Change's conference centre, which can accommodate up to 450 people...

Tremblex Loop/Curved alignment 144 220 Rack 800 MVR (MTGN)
Montreux – Rochers de Naye Dent de Jaman Jaman Loop/Curved alignment 77 220 Rack 800 MVR (MTGN)
Vevey
Vevey
Vevey is a town in Switzerland in the canton Vaud, on the north shore of Lake Geneva, near Lausanne.It was the seat of the district of the same name until 2006, and is now part of the Riviera-Pays-d'Enhaut District...

 – Les Pléiades
Vevey Gilamont Loop/Curved alignment 84 50 Adhesion 1,000 MVR (CEV)
Brig
Brig, Switzerland
Brig, officially Brig-Glis is a municipality in the district of Brig in the canton of Valais in Switzerland.The current municipality was formed in 1972 through the merger of Brig , Brigerbad and Glis.-History:...

 – Spiez
Spiez
Spiez is a city in the Frutigen-Niedersimmental administrative district in the canton of Bern in Switzerland.-Geography:Spiez has an area of . Of this area, 38.5% is used for agricultural purposes, while 29.1% is forested...

Kandergrund
Kandergrund
Kandergrund is a municipality in the Frutigen-Niedersimmental administrative district in the canton of Bern in Switzerland.-History:The area may have been lightly inhabited during the Bronze age, however the earliest documented settlement was around the Castle Felsenburg...

Loop/Curved alignment 1,655 27 Adhesion 1,435 BLS Lötschbergbahn
Zermatt – Visp
Visp
Visp is the capital of the district of Visp in the canton of Valais in Switzerland.-Geography:Visp has an area, , of . Of this area, 17.0% is used for agricultural purposes, while 59.7% is forested...

 – Brig – Andermatt
Andermatt
Andermatt is a municipality in the canton of Uri in Switzerland.With Realp and Hospental, it is located in the Urseren valley, south of Altdorf.-Geography:...

 – Disentis
Grengiols
Grengiols
Grengiols is a municipality in the district of Raron in the canton of Valais in Switzerland.-History:Grengiols is first mentioned in 1052 as Graneirolis. In 1228 it was mentioned as Griniruel and in 1297 as Graniols. The name probably comes from the Latin word graneirolas meaning a small...

Grengiols I Spiral 502 96 Rack 1,000 MGB Glacier-Express
Glacier Express
The Glacier Express is an express train connecting railway stations of the two major mountain resorts of St. Moritz and Zermatt in the Swiss Alps. The train is operated jointly by the Matterhorn Gotthard Bahn and Rhaetian Railway...

Zermatt – Visp – Brig – Andermatt – Disentis Andermatt Butzen Loop/Curved alignment 169 110 Rack 1,000 MGB Glacier-Express
Zermatt – Visp – Brig – Andermatt – Disentis Andermatt Biel Loop/Curved alignment 279 110 Rack 1,000 Matterhorn-Gotthard-Bahn Glacier-Express
Zermatt – Visp – Brig – Andermatt – Disentis Andermatt Rufenen Loop/Curved alignment 255 110 Rack 1,000 Matterhorn-Gotthard-Bahn Glacier-Express
Kleine Scheidegg
Kleine Scheidegg
The Kleine Scheidegg is a high mountain pass below and between the Eiger and Lauberhorn peaks in the Bernese Oberland, Switzerland. It connects Grindelwald with Lauterbrunnen. The name means "minor watershed", even though it is actually higher than the neighbouring Grosse Scheidegg...

 – Jungfraujoch
Jungfraujoch
The Jungfraujoch is a col or saddle between the Mönch and the Jungfrau in the Bernese Alps on the boundary between the cantons of Bern and Valais, inside the Jungfrau-Aletsch Protected Area....

Eiger
Eiger
The Eiger is a mountain in the Bernese Alps in Switzerland. It is the easternmost peak of a ridge crest that extends across the Mönch to the Jungfrau at 4,158 m...

,
Mönch
Mönch
The Mönch is a mountain in the Bernese Alps, in Switzerland. Together with the Eiger and the Jungfrau it forms a highly recognisable group of mountains visible from far away....

Jungfrau Loop/Curved alignment 7,122 250 Rack 1,000 JB
Jungfraubahn
The Jungfraubahn is an gauge rack railway electrified at 3-phase 1,125 volts 50 Hertz, which runs 9 kilometres from Kleine Scheidegg to the highest railway station in Europe at Jungfraujoch...

The curved alignment is only part of the tunnel.
Grindelwald
Grindelwald
Grindelwald is a municipality in the Interlaken-Oberhasli administrative district in the canton of Bern in Switzerland. The village is located at above sea level in the Bernese Alps.-Winter sports:...

 – Kleine Scheidegg – Lauterbrunnen
Lauterbrunnen
Lauterbrunnen is a municipality in the Interlaken-Oberhasli administrative district in the canton of Bern in Switzerland.The municipality lies in the Lauterbrunnen Valley and comprises the villages Lauterbrunnen, Wengen, Mürren, Gimmelwald, Stechelberg and Isenfluh...

Wengen
Wengen
Wengen may refer to:*Wengen, a village and winter resort in Switzerland*La Val, a commune in South Tyrol, Italy with the German name "Wengen"*in Germany:**Wengen , a village in the municipality of Nennslingen in Mittelfranken...

Loop/Curved alignment 248 180 Rack 800 WAB
Wengernalpbahn
Wengernalpbahn is a 19.091 km long, gauge rack railway line in Switzerland, which runs from Lauterbrunnen and Grindelwald to Kleine Scheidegg, making it the world's longest continuous rack and pinion railway....

Wilderswil
Wilderswil
Wilderswil is a municipality in the Interlaken-Oberhasli administrative district in the canton of Bern in Switzerland.It is situated at the southern border of the Bödeli watershed, where the Saxetenbach joins the Lütschine, south of Interlaken. The village is situated at the foot of the mountains...

 – Schynige Platte
Schynige Platte
The Schynige Platte is a Swiss mountain region near Wilderswil where the Schynige Platte Railway ends .In good weather conditions the summit offers spectacular views to many surrounding mountains, including Jungfrau, Eiger, Silberhorn and others, as well as Thunersee and Brienzersee...

Rotenegg Loop/Curved alignment 168 250 Rack 800 SPB
Brienz
Brienz
Brienz is a municipality in the Interlaken-Oberhasli administrative district in the canton of Bern in Switzerland.The village lies on the north bank of Lake Brienz in the Bernese Oberland at the foot of the Brienzer Rothorn mountain.-History:...

 – Rothorn Kulm
Brienzer Rothorn
The Brienzer Rothorn is a mountain in the Swiss Alps on the border between the cantons of Lucerne, Berne and Obwalden. The summit can be reached from Brienz by the Brienz Rothorn Bahn and from Sörenberg by a cable car.-External links:*...

Planalp Schonegg II Loop/Curved alignment 119 250 Rack 800 BRB
Luzern
Lucerne
Lucerne is a city in north-central Switzerland, in the German-speaking portion of that country. Lucerne is the capital of the Canton of Lucerne and the capital of the district of the same name. With a population of about 76,200 people, Lucerne is the most populous city in Central Switzerland, and...

 – Göschenen
Göschenen
Göschenen a village in the canton of Uri in Switzerland.-History:Göschenen is first mentioned in 1280 as Geschenden. In 1290 it was mentioned as Gescheldun, then in 1294 as Geschenen and in 1429 as ze Gestinen.-Geography:...

 – Airolo
Airolo
Airolo is a municipality in the district of Leventina in the canton of Ticino in Switzerland.-History:In the settlement of Madrano, Roman tombs from the 2nd and 3rd Centuries AD were found. They belonged to a Vicus, whose inhabitants probably collected crystal, which was processed in Locarno into...

 – Bellinzona
Bellinzona
Bellinzona is the administrative capital of the canton Ticino in Switzerland. The city is famous for its three castles that have been UNESCO World Heritage Sites since 2000....

 – Chiasso
Chiasso
Chiasso is a municipality in the district of Mendrisio in the canton of Ticino in Switzerland.As the southernmost of Switzerland's municipalities, Chiasso is located at the border with Italy, in front of Ponte Chiasso...

Gurtnellen
Gurtnellen
Gurtnellen is a municipality in the canton of Uri in Switzerland.-History:Gurtnellen is first mentioned in 1257 as Chuno und die Gurteneller. In 1321 it was mentioned as Gruntellon, and in 1359 as Gurtenellen.-Geography:...

Pfaffensprung Spiral 1,476 26 Adhesion 1,435 SBB
SBB-CFF-FFS
Swiss Federal Railways and SFR are not in official use) is the national railway company of Switzerland headquartered in Bern. Formerly a government institution, it is since 1999 a special stock corporation with all shares held by the Swiss Confederation or the Swiss cantons...

Gotthardbahn
Gotthardbahn
Gotthardbahn was the name of a private Swiss railway company which operated the railway line from Immensee to Chiasso . Nowadays this term usually does not refer to that company, but to the railway line itself...

Luzern – Göschenen – Airolo – Bellinzona – Chiasso Wassen
Wassen
Wassen is a municipality in the canton of Uri in Switzerland.-Geography:Wassen has an area, , of . Of this area, 12.5% is used for agricultural purposes, while 18.2% is forested. Of the rest of the land, 1.1% is settled and the remainder is non-productive...

Wattingen Loop/Curved alignment 1,084 26 Adhesion 1’435 SBB Gotthardbahn
Luzern – Göschenen – Airolo – Bellinzona – Chiasso Wassen Leggistein Loop/Curved alignment 1,090 26 Adhesion 1,435 SBB Gotthardbahn
Luzern – Göschenen – Airolo – Bellinzona – Chiasso Prato Freggio Spiral 1,568 27 Adhesion 1,435 SBB Gotthardbahn
Luzern – Göschenen – Airolo – Bellinzona – Chiasso Prato Prato Spiral 1'560 28 Adhesion 1,435 SBB Gotthardbahn
Luzern – Göschenen – Airolo – Bellinzona – Chiasso Giornico
Giornico
Giornico is a municipality in the district of Leventina in the canton of Ticino in Switzerland.-History:Giornico is first mentioned around 935-94 as de Iudicibus Giornicensis. In 1202 it was mentioned as Iornico, and around 1210-58 it was mentioned as Zurnigo...

Pianotondo Spiral 1,508 26 Adhesion 1,435 SBB Gotthardbahn
Luzern – Göschenen – Airolo – Bellinzona – Chiasso Giornico Travi Spiral 1,547 27 Adhesion 1,435 SBB Gotthardbahn
Chur
Chur
Chur or Coire is the capital of the Swiss canton of Graubünden and lies in the northern part of the canton.-History:The name "chur" derives perhaps from the Celtic kora or koria, meaning "tribe", or from the Latin curia....

 – Thusis
Thusis
Thusis is a municipality in the district of Hinterrhein in the Swiss canton of Graubünden.-Geography:Thusis has an area, , of . Of this area, 18% is used for agricultural purposes, while 58.2% is forested...

 – Tiefencastel
Tiefencastel
Tiefencastel is a municipality in the district of Albula in the canton of Graubünden in Switzerland.-History:Tiefencastel is first mentioned in 831 as in Castello Impitinis. Starting around in the 14th Century it was known as Tüffenkasten.-Geography:Tiefencastel has an area, , of...

 – Filisur
Filisur
Filisur is a municipality in the district of Albula in the canton of Graubünden in Switzerland.-History:Filisur is first mentioned in 1262 as villa Fallisour.-Geography:...

 – Samedan
Samedan
Samedan is a town and municipality in the district of Maloja in the Swiss canton of Graubünden.-History:Samedan is first mentioned in 1139 as Samaden. In 1334 it was mentioned as Semeden, in 1367 as Semaden, in 1498 as Sumada and in 1527 as Sameden...

 – St. Moritz
St. Moritz
St. Moritz is a resort town in the Engadine valley in Switzerland. It is a municipality in the district of Maloja in the Swiss canton of Graubünden...

Filisur Greifenstein Spiral 698 35 Adhesion 1,000 RhB Albula Railway
Albula Railway
In 1890, the Davos hotelier Willem-Jan Holsboer proposed the construction of a rail link from Chur via Davos, and through a tunnel under the Scaletta Pass, to St Moritz, and then onwards via the Maloja Pass, to Chiavenna in Italy. Holsboer later had to abandon this planned Scalettabahn, in favour...


Glacier-Express
Glacier Express
The Glacier Express is an express train connecting railway stations of the two major mountain resorts of St. Moritz and Zermatt in the Swiss Alps. The train is operated jointly by the Matterhorn Gotthard Bahn and Rhaetian Railway...

Chur – Thusis – Tiefencastel – Filisur – Samedan – St. Moritz Bergün
Bergün
Bergün/Bravuogn , is a municipality in the district of Albula in the canton of Graubünden in Switzerland. The double name has been the official name since 1943.-Geography:...

God Loop/Curved alignment 486 35 Adhesion 1,000 RhB Albula Railway
Glacier-Express
Chur – Thusis – Tiefencastel – Filisur – Samedan – St. Moritz Bergün Platz Loop/Curved alignment 262 35 Adhesion 1,000 RhB Albula Railway
Glacier-Express
Chur – Thusis – Tiefencastel – Filisur – Samedan – St. Moritz Preda
Preda
Preda is locality within the municipality of Bergün, district of Albula, Canton Graubünden, Switzerland.-Transportation:Rhaetian Railway operates services to Preda ....

Rugnux Spiral 662 35 Adhesion 1,000 RhB Albula Railway
Glacier-Express
Chur – Thusis – Tiefencastel – Filisur – Samedan – St. Moritz Preda Toua Spiral 677 35 Adhesion 1,000 RhB Albula Railway
Glacier-Express
Chur – Thusis – Tiefencastel – Filisur – Samedan – St. Moritz Preda Zuondra Spiral 535 35 Adhesion 1,000 RhB Albula Railway
Glacier-Express
St. Moritz – Pontresina
Pontresina
Pontresina is a municipality in the district of Maloja in the canton of Graubünden in Switzerland.-History and name:The city was first mentioned in medieval Latin documents as pontem sarasinam in 1137. In 1237 it was mentioned as de Ponte Sarraceno and in 1303 as ponte sarracino...

 – Poschiavo
Poschiavo
Poschiavo is a municipality in the district of Bernina in the canton of Graubünden in Switzerland.-History:Poschiavo is first mentioned in 824 as in Postclave though this comes from a later copy of the original document.. In 1140 it was mentioned as de Pusclauio. It was formerly known by the...

( – Tirano
Tirano
Tirano is a town in Valtellina, located in the province of Sondrio, Northern Italy. It has about 9,044 inhabitants and is adjacent to the Switzerland-Italy boundary. The river Adda flows through the town....

)
Alp Grüm Palü Loop/Curved alignment 254 70 Adhesion 1,000 RhB Bernina Railway
Bernina Railway
The Bernina Railway is a single track metre gauge railway line forming part of the Rhaetian Railway . It links the spa resort of St. Moritz, in the Canton of Graubünden, Switzerland, with the town of Tirano, in the Province of Sondrio, Italy, via the Bernina Pass...


Bernina-Express
St. Moritz – Pontresina – Poschiavo( – Tirano) Alp Grüm Val Pila Loop/Curved alignment 227 70 Adhesion 1,000 RhB Bernina Railway
Bernina-Express
St. Moritz – Pontresina – Poschiavo( – Tirano) Poschiavo
Poschiavo
Poschiavo is a municipality in the district of Bernina in the canton of Graubünden in Switzerland.-History:Poschiavo is first mentioned in 824 as in Postclave though this comes from a later copy of the original document.. In 1140 it was mentioned as de Pusclauio. It was formerly known by the...

Val Varuna I (Oberer Varuna) Loop/Curved alignment 149 70 Adhesion 1,000 RhB Bernina Railway
Bernina-Express
St. Moritz – Pontresina – Poschiavo( – Tirano) Poschiavo Val Varuna I (Unterer Varuna) Loop/Curved alignment 147 70 Adhesion 1,000 RhB Bernina Railway
Bernina-Express
St. Moritz – Pontresina – Poschiavo( – Tirano) Poschiavo Balbalera Loop/Curved alignment 122 70 Adhesion 1,000 RhB Bernina Railway
Bernina-Express
Landquart – Klosters
Klosters
Klosters-Serneus is a municipality in the district of Prättigau/Davos in the Swiss canton of Graubünden.Its well-known ski resort lies from Zurich, the nearest international airport. Transfer time is about 1.5 hours. Klosters is from Davos...

 – Davos
Davos
Davos is a municipality in the district of Prättigau/Davos in the canton of Graubünden, Switzerland. It has a permanent population of 11,248 . Davos is located on the Landwasser River, in the Swiss Alps, between the Plessur and Albula Range...

Klosters Klosters Loop/Curved alignment 399 45 Adhesion 1,000 RhB Replaced 1930 the zig zag
Zig Zag Railway
The Zig Zag Railway is a heritage railway at Lithgow in New South Wales, Australia on the site of the famous Great or Lithgow Zig Zag which operated between 1869 and 1910. As built, the line formed part of the Main West line from Sydney across the Blue Mountains and served to lower the line from...

 in Klosters.
Landquart – Klosters – Davos Klosters Cavadürli Loop/Curved alignment 334 45 Adhesion 1,000 RhB
Klosters - Sagliains Klosters Zugwald Loop/Curved alignment 2172 ~40 Adhesion 1,000 RhB On the ramp to the Vereina Tunnel
Vereina Tunnel
The Vereina Tunnel is a railway tunnel situated in eastern Switzerland, which at 19,058 m is the longest tunnel on the Swiss RhB railway network as well as the world's longest metre gauge railway tunnel...

.

Slovakia

Line Location Tunnel Name Kind of Tunnel Length in m Gradient in ‰ Kind of Operation Gauge in mm Railway Company Remarks
Margecany – Červená Skala Telgárt
Telgárt
Telgárt is a village and municipality in Brezno District, in the Banská Bystrica Region of central Slovakia.-History:In historical records the village was first mentioned in 1326 or in 1549 .-Geography:...

Tunnel Telgárt Curved alignment 1,240 12.5 Adhesion 1,435 ZSSK
Železnicná spolocnost Slovensko
Železničná spoločnosť Slovensko a.s. is Slovak state-owned passenger trains operated company, based in Bratislava.In 2002 a company Železničná spoločnosť was established as a successor of personal and cargo transport part of the Železnice Slovenskej republiky. In 2005 this new company was further...


New Zealand

Line Location Tunnel Name Kind of Tunnel Length in m Gradient in ‰ Kind of Operation Gauge in mm Railway Company Remarks
North Island Main Trunk Raurimu Raurimu Spiral
Raurimu Spiral
The Raurimu Spiral is a single-track railway spiral, starting with a horseshoe curve, overcoming a 132 m height difference, in the central North Island of New Zealand, on the North Island Main Trunk Railway. It is a notable feat of civil engineering, having been called an 'engineering masterpiece'...

Spiral 383 19 Adhesion 1,067 New Zealand Railways Corporation
New Zealand Railways Corporation
KiwiRail Network, formerly ONTRACK , is the infrastructure arm of KiwiRail. The ONTRACK trading name was introduced in 2004 after the government repurchased all of New Zealand's rail infrastructure from Toll NZ. It does not operate revenue rolling stock...

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