Llyn Crafnant is a lake that lies in a beautiful valley in North Wales where the northern edge of the Gwydir Forest meets the lower slopes of the Carneddau mountains and, more specifically, the ridge of Cefn Cyfarwydd. The head of the valley offers a profile of crags which are silhouetted at sunset, and many people regard the lake as one of the most beautiful spots in North Wales. At 63 acres (250,000 m2) it is the best part of a mile long, although it was clearly once much longer – its southern end shows the evidence of centuries of silting.
Crafnant takes its name from “craf”, an old Welsh word for garlic, and “nant”, a stream or valley. Even today the Crafnant valley smells of wild garlic when it flowers.
The lake can be reached by car only from Trefriw in the Conwy valley, though many visitors walk there from the village or from the neighbouring lake of Llyn Geirionydd, which runs parallel to it, but a mile distant, the two being separated by Mynydd Deulyn – “mountain of the two lakes”. The lake can also be reached on foot Capel Curig.
Areas around the lake have been used for location shots in Hollyoaks, Tomb Raider II, the 1981 fantasy movie Dragonslayer, and the lake also appeared briefly in the 1966 film Morgan: A Suitable Case for Treatment.