Parc national de Snowdonia

Llyn Crafnant is a lake that lies in a valley in 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. The Forest Park guide (2002) states that "the (view along Llyn Crafnant) is one of the most breathtaking views in all Snowdonia".

The Afon Crafnant (English: River Crafnant) is a tributary of the River Conwy (Afon Conwy in Welsh), which is the main river of the Conwy valley in north-west Wales.It flows from picturesque Llyn Crafnant, joining the river Conwy at Trefriw. It is about 2.5 miles (4.0 km) in length.The Afon Crafnant itself has a tributary, the river Geirionydd which flows from Llyn Geirionydd.