Winscar Reservoir, is a compensation reservoir on the headwaters of the River Don in South Yorkshire, England. The reservoir is located at Dunford Bridge, 25 miles north west of Sheffield,and is just inside the Peak District National Park on the Pennine watershed. The reservoir was built on an existing dam and has suffered with leaking which necessitated a new membrane being installed at the dam head in the years 2000 and 2001
