Chew Valley, Dovestone Reservoir, Chew Reservoir

Chew Valley is a valley within the Saddleworth parish of the Metropolitan Borough of Oldham, in Greater Manchester. It follows the path of Chew Brook from the western slopes of Black Chew Head down to where it joins the Tame Valley at Greenfield, several miles to the east of Manchester. The eastern part of the valley including the reservoirs of Dovestone and Chew lie within the North Western extremity of the Peak District National Park.

Dovestone Reservoir was built in 1967 to collect water from the surrounding moorlands. 

The Chew Reservoir was once seen as a notable feat of engineering. Construction began in the beginning of the 20th Century and was completed in 1912. At 1,600 feet or 488 metres above sea level, it was the highest constructed reservoir in England. The old tram line used to transport clay to the reservoir is now a path up the valley.