The County Durham River Derwent rises near Blanchland [Map] being formed from a number of streams and burns that rise on Newbiggin Fell and Heatheryburn Moor. From Blanchland [Map] it flows through the Derwent Reservoir [Map], past Consett, County Durham [Map], Ebchester, County Durham [Map], Hamsterley, County Durham [Map] and Rowland's Gill, County Durham [Map] after which it joins the River Tyne.