The Lledr Valley is a valley in Snowdonia

Snowdonia

Snowdonia is a region in north Wales and a national park of in area. It was the first to be designated of the three National Parks in Wales, in 1951.-Name and extent:...

 in north

North Wales

North Wales is the northernmost unofficial region of Wales. It is bordered to the south by the counties of Ceredigion and Powys in Mid Wales and to the east by the counties of Shropshire in the West Midlands and Cheshire in North West England...

 Wales

Wales

Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

. It runs from the top of the Crimea Pass

Crimea Pass

The Crimea Pass is a mountain pass in north Wales, on the A470 road between Blaenau Ffestiniog and Dolwyddelan.At its highest point, it is above sea level, and is sometimes closed in winter because of snow...

, north of Blaenau Ffestiniog

Blaenau Ffestiniog

Blaenau Ffestiniog is a town in Gwynedd, north-west Wales. It has a population of 5,000, including Llan Ffestiniog, which makes it the third largest town in Gwynedd, behind Caernarfon & Porthmadog. Although the population reached 12,000 at the peak of the slate industry, the population fell due to...

 down to Betws-y-coed

Betws-y-Coed

Betws-y-Coed is a village and community in the Conwy valley in Conwy County Borough, Wales. It has a population of 534. The name Betws or Bettws is generally thought to be derived from the Anglo-Saxon Old English 'bed-hus' - i.e. a bead-house - a house of prayer, or oratory...

.

The A470 road

A470 road

The A470 is a major long-distance connective spine road in Wales, running from Cardiff on the south coast to Llandudno on the north coast. It covers approximately 186 miles , over a zig-zagging route through the entirety of the country's mountainous central region, including the Brecon Beacons and...

 follows the line of the valley, as does the railway line from Blaenau Ffestiniog to Llandudno

Llandudno

Llandudno is a seaside resort and town in Conwy County Borough, Wales. In the 2001 UK census it had a population of 20,090 including that of Penrhyn Bay and Penrhynside, which are within the Llandudno Community...

, and within the valley there are stations at Roman Bridge

Roman Bridge railway station

Roman Bridge railway station is a request stop passenger station in the Lledr Valley on the Conwy Valley Line from Llandudno Junction to Blaenau Ffestiniog, which is operated by Arriva Trains Wales...

, Dolwyddelan

Dolwyddelan railway station

Dolwyddelan railway station is a passenger station in the Lledr Valley on the Conwy Valley Line from Llandudno Junction to Blaenau Ffestiniog, which is operated by Arriva Trains Wales. It is located at Pentre-Bont across the river a few hundred yards from the centre of Dolwyddelan. The station is...

, and Pont-y-Pant

Pont-y-Pant railway station

Pont-y-Pant railway station is a single platform passenger station in the Lledr Valley on the Conwy Valley Line from Llandudno Junction to Blaenau Ffestiniog, which is operated by Arriva Trains Wales...

.

Dolwyddelan is the main settlement in the valley.

The river Lledr

River Lledr

The River Lledr is a river in North Wales and the second major tributary of the River Conwy.The Lledr has its source on the eastern slopes of Ysgafell Wen, which lies between Moel Siabod and Cnicht...

, which gives its name to the valley, joins the River Conwy

River Conwy

The River Conwy is a river in north Wales. From its source to its discharge in Conwy Bay it is a little over long. "Conwy" is sometimes Anglicized as "Conway."...

 to the south of Betws-y-Coed

Betws-y-Coed

Betws-y-Coed is a village and community in the Conwy valley in Conwy County Borough, Wales. It has a population of 534. The name Betws or Bettws is generally thought to be derived from the Anglo-Saxon Old English 'bed-hus' - i.e. a bead-house - a house of prayer, or oratory...

.