River Mawddach

The River Mawddach (Welsh: Afon Mawddach) is a river in North Wales which has its source in a wide area SH820300 north of Dduallt in Snowdonia. The river is much branched and many of the significant tributaries are of a similar size to the main river. The catchment area is bounded to the east by the Aran Fawddwy massif and to the west and north by the Harlech dome which forms a watershed just south of Llyn Trawsfynydd. The main tributaries starting in the west and working clockwise are: Below Dolgellau the river enters a wide and sandy estuary of great beauty. At its mouth is the town of Barmouth and its railway bridge. The Mawddach has been the site of significant industrialisation and land management. Gold mining and subsequently gold...