The River Deerness in County Durham, England is a tributary to the River Browney, which is itself a tributary the River Wear. It rises near Tow Law and descends through the Deerness Valley for a distance of 11.6 miles (18.7 km), passing the villages of Waterhouses, Ushaw Moor and Esh Winning. Its confluence with the River Browney is near Langley Moor. Its tributaries include Stanley Beck, Crow Gill, Cuddy Burn, Hedleyhope Burn, Rowley Burn, Holburn Beck and Red Burn. and its overall catchment area is 53 square kilometres (20 sq mi).