It lies approximately 10 miles ( 16 km ) from Glossop and 10 miles ( 16 km ) from Sheffield .
Derwent Reservoir is the middle of three reservoirs in the Upper Derwent Valley in the northeast of Derbyshire , England .
Derwent Reservoir lies approximately 10 miles ( 16 km ) from Glossop and 10 miles ( 16 km ) from Sheffield .
Derwent Reservoir is the middle of three reservoirs in the Upper Derwent Valley in the northeast of Derbyshire , England .