Dolgellau

Dolgellau (; formerly Dolgell(e)y ; see below) is a market town in Gwynedd, north-west Wales, lying on the River Wnion, a tributary of the River Mawddach. It was the county town of Merionethshire  before that became a part of the county of Gwynedd. Dolgellau is the main base for climbers of Cader Idris.