Errwood Reservoir is located in Goyt valley, part of the Peak District National Park, close to Buxton, Derbyshire and it is very close to the Cheshire boarder.
It is the second of two reservoirs built in the Goyt Valley, the other one being Fernilee Reservoir. Stockport Water Corporation built the reservoir in the late 1960's at a cost of £1.5 million, work was completed in 1967. It is now owned and operated by United Utilities.
The reservoir supplies fresh drinking water for the town of Stockport and its surrounding areas, and it holds 4,215 million litres
It is open for fishing and sailing with Errwood Sailing Club controlling the training and racing while fishing rights are controlled by Errwood Fly Fishing Club.
The Peak District Boundary Walk runs across Errwood dam and passes above the eastern side of the reservoir.