The Ahlsburg is a range of hills, relatively small in area and up to , in the southern part of Lower Saxony

Lower Saxony

Lower Saxony is a German state situated in north-western Germany and is second in area and fourth in population among the sixteen states of Germany...

 (Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

).

Geography

The Ahlsburg hills run in a northwest to southeast direction and are around 10 km long and up to about 3 km wide. They are heavily wooded and belong to the Leine Uplands

Leine Uplands

The Leine Uplands is a region in Germany's Central Uplands which forms a part of the Lower Saxon Hills and lies along the River Leine between Göttingen and Hanover...

. They are located in the district of Northeim southeast of Dassel

Dassel

Dassel is a town in southern Lower Saxony, Germany, located in the district Northeim. It is located near the hills of the Solling mountains.-History:...

, east of the Solling

Solling

The Solling is a range of hills up to high in the Weser Uplands in the German state of Lower Saxony, whose extreme southerly foothills extend into Hesse and North Rhine-Westphalia....

, south of Einbeck

Einbeck

Einbeck is a town in the district Northeim, in southern Lower Saxony, Germany. It is located on the German Timber-Frame Road.-Economy:Einbeck is famous for its 600 year old beer brewery, home of Einbecker Bier, the origin for the term Bock beer...

 and the valley of the Ilme

Ilme

The Ilme is a left-bank, western tributary of the River Leine in Lower Saxony, Germany. It is 32.6 km long.- Geography :The river begins at the Neuer Teich pond in the centre of the Solling hills at a height of and flows initially northwards to Dassel, then in an easterly direction through...

, west of Northeim

Northeim

Northeim is a city in Lower Saxony, Germany, seat of the district of Northeim, with, as of 2002, a population of 31 000. It's located on the German Half-Timbered House Road.-History:...

 and the Leine valley and north of Moringen

Moringen

Moringen is a town in the district Northeim, in the southern part of Lower Saxony, Germany. The town consists of the center Moringen and eight surrounding villages.-History:The town and its villages were founded over a thousand years ago....

 and northeast of Fredelsloh

Fredelsloh

Fredelsloh is a village in Lower Saxony in Germany close to the town of Northeim. The town is historically agricultural, but today derives much income from its traditional pottery shops. The village is centred on a very large church, which was formerly a mediaeval nunnery...

.

Hills

The following hill

Hill

A hill is a landform that extends above the surrounding terrain. Hills often have a distinct summit, although in areas with scarp/dip topography a hill may refer to a particular section of flat terrain without a massive summit A hill is a landform that extends above the surrounding terrain. Hills...

s and elevations belong to the Ahlsburg ridge – with their heights in metres above sea level (Normalnull or NN):

Sackberg (411.4 m) Ochsenberg (371.5 m) Ducksteinberg (ca. 360 m) Eichfast (355.7 m) Südlieth (323.2 m) Weidenberg (308.7 m) Iberg (303.0 m)

Klagesberg (298.2 m) unnamed hill with Grubenhagen Castle Grubenhagen Castle Grubenhagen Castle is a ruined medieval castle in North Germany dating to the 13th century. It is not far from the town of Einbeck in southern Lower Saxony.- Location :...  (298.0 m) Böllenberg (297 m) Vorberg (289 m) Behrensberg (277.9 m) Drogenberg (ca. 250 m) Katzenstein (240.7 m)

Streams

The following streams flow in and around the Ahlsburg (all in the catchment area of the Leine):

• Bölle (rises on the southern edge of the ridge, passes its southern foothills and is a western tributary of the Leine)
• Dieße
  Dieße
  Dieße is a river of Lower Saxony, Germany.-See also:*List of rivers of Lower Saxony...
  
   (rises on the eastern edge of the Solling, passes the western slopes of the ridge and is a south-southwestern tributary of the Ilme)
• Ilme
  Ilme
  The Ilme is a left-bank, western tributary of the River Leine in Lower Saxony, Germany. It is 32.6 km long.- Geography :The river begins at the Neuer Teich pond in the centre of the Solling hills at a height of and flows initially northwards to Dassel, then in an easterly direction through...
  
   (passes the ridge some way to the north and is a western tributary of the Leine)
• Leine (passes the ridge some way to the east and is a southern tributary of the Aller
  Aller
  The Aller is a river, long, in the states of Saxony-Anhalt and Lower Saxony in Germany. It is a right-hand, and hence eastern, tributary of the River Weser and is also its largest tributary. Its last form the Lower Aller federal waterway...
  
  )
• Rebbe (rises in the central part of the ridge and is a southern tributary of the Ilme)
• Rotte (rises north of the ridge and is a southern tributary of the Ilme)
• Hane (rises in the central part of the ridge and is a southern tributary of the Dieße)

Places of interest

Places of interest in the and on the Ahlsburg ridge include – with heights in metres above sea level ( NN):

• Grubenhagen Castle
  Grubenhagen Castle
  Grubenhagen Castle is a ruined medieval castle in North Germany dating to the 13th century. It is not far from the town of Einbeck in southern Lower Saxony.- Location :...
  
   (298.0 m)
• Fredelsloh
  Fredelsloh
  Fredelsloh is a village in Lower Saxony in Germany close to the town of Northeim. The town is historically agricultural, but today derives much income from its traditional pottery shops. The village is centred on a very large church, which was formerly a mediaeval nunnery...
  
   (ca. 270 m; art and pottery village)
• Kaisereiche (ca. 240 m)
• Quastbuche (331 m)
• Stahlbuche (ca. 310 m)
• Bengerode ruined village (ca. 265 m; medieval pottery settlement)