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Photo of Llyn Trawsfynydd, a lake in Eryri, Gwynedd, north Wales.

© David Medcalf / Geograph · CC BY-SA 2.0

Llyn Trawsfynydd

Built for hydro power on the Meirionnydd moors, it was long overlooked by a now-closed nuclear power station.

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OpenFreeMap © OpenMapTiles · data from OpenStreetMap · terrain Mapzen/AWS

Llyn Trawsfynydd is a llyn in Gwynedd. It sits inside Eryri National Park. Tan-y-Bwlch Ffestiniog Station is 6.6 km away to the north-west. The nearest other lake is Llyn Mair, 6.2 km to the north-west.

More places to visit near Llyn Trawsfynydd

Photo of Eryri, a National Park in north Wales.Iconic

Eryri

You’re inside itNational Park near Trawsfynydd

Wales at its wildest — Yr Wyddfa and the highest ridges south of Scotland, above slate valleys and glacial lakes.

Photo along the Cambrian Way, a 298-mile long-distance path running from Cardiff to Conwy, Wales.Highlight

Cambrian Way

Long-distance path

The mountain connoisseur's route over the roof of Wales — Cardiff to Conwy by way of the Bannau, the Cambrian wilderness and Eryri.

1.2 km SW · spans 9 counties

Photo of Maentwrog, a village in Eryri, Gwynedd, north Wales.

Maentwrog

Village

Wooded Vale of Ffestiniog village on the Afon Dwyryd, beside the Plas Tan y Bwlch estate.

4.8 km NW · Gwynedd

Photo along the Wales Coast Path, an 870-mile long-distance path running from Chepstow to Queensferry, Wales.Highlight

Wales Coast Path

Long-distance path

Walk the outline of a whole nation — 870 miles of cliff, estuary and beach from Chepstow round to Queensferry.

7.3 km W · spans 16 counties

Photo of Roman Steps (Rhinogydd), a landmark near Harlech in Eryri, Gwynedd, north Wales.Highlight

Roman Steps (Rhinogydd)

Landmark near Harlech

A flagged medieval packhorse trail climbing a pass through the Rhinogydd above Cwm Bychan near Llanbedr.

7.5 km SW

Photo of Go Below Underground Adventures, a visitor attraction near Blaenau Ffestiniog, Gwynedd, north Wales.Highlight

Go Below Underground Adventures

Attraction near Blaenau Ffestiniog

Guided adventure trips through old slate mine workings at Cwmorthin, with zip lines, abseils and boat crossings deep underground.

9.5 km N