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Turn up from the centre of Llanbedr and follow the signs for Cwm Bychan. Cwm Bychan is about 7 miles up into the mountains. The road up becomes very narrow and you have to respect other road users as often it is difficult to pass and therefore a fair amount of reversing may be required.
Cwm Bychan is a naturally formed lake formed by the last glaciers some 1.6 million years ago. This area, the Harlech Dome, as it is known geologically is formed by some of the oldest rocks on earth, approximately 350 million years old.
Cwm Bychan lake holds brown trout and a fish known locally as "the red bellied char" This fish is related to the trout, but have been isolated in the lakes high in the mountains so long they have lost their desire to migrate.
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