Murchison River (Tasmania)

The Murchison River, part of the Pieman River catchment, is a major perennial river located in the West Coast region of Tasmania, Australia.Course and featuresThe Murchison River rises below Pyramid Mountain, part of the north eastern section of the West Coast Range within the Cradle Mountain-Lake St Clair National Park. The river flows generally northwest, joined by six tributaries including the Wallace, Achilles, Bluff, and Anthony rivers and flowing through the impoundment, Lake Murchison. The river reaches its confluence with the Mackintosh River to form the Pieman River near in what is now Lake Rosebery, formed by the impounding of the Pieman by the Bastyan Dam.The river catchment easternmost point can be located at Mount Pelion West, while the junction point in the river catchments of the Mackintosh River and the Murchison can be located at Barn Bluff. The catchment is bordered to the south by the Eldon Range, and its south western area is in the West Coast Range, with the Tyndall Range and Lake Rolleston on its south west border.