Llyn Gwynant is a lake in Snowdonia, Wales.

Llyn Gwynant
Looking west down the pass towards Llyn Gwynant
Llyn Gwynant is located in Gwynedd
Llyn Gwynant
Llyn Gwynant
LocationSnowdonia, Wales
Coordinates53°03′N 4°02′W / 53.050°N 4.033°W / 53.050; -4.033
Typenatural
Primary inflowsRiver Glaslyn
Primary outflowsRiver Glaslyn
Basin countriesUnited Kingdom
Surface area50 ha (120 acres)
Approach to Llyn Gwynant, from Capel Curig, ca.1840

Llyn Gwynant lies on the River Glaslyn, in the Nant Gwynant valley, and is about 1¼ miles (2 km) north east of Llyn Dinas; the village of Bethania lies between them.

Snowdon lies 2 miles (3 km) to the north west. The lake is natural, having been formed by glacial action and is 120 acres (50 hectares) in size. It is a popular place for canoeing and kayaking with easy access from the A498 road which runs along its south bank.

It was used as a filming location in the 2003 film 'Lara Croft Tomb Raider: The Cradle of Life', and the 2022 film 'Brian and Charles'.

The view towards Llyn Gwynant and Moel Hebog is one of the most photographed in Snowdonia.

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