Bottoms reservoir is a man-made lake in Longdendale in north Derbyshire. It was constructed between 1865 and 1877 as part of the Longdendale chain to supply water from the River Etherow to the urban areas of Greater Manchester.^[1] The upper reservoirs supplied the drinking water, while Bottoms and Vale House reservoirs regulated the flow downstream for the benefit of local water-powered mills.^[2] The view westward down Longdendale from above the Woodhead Tunnel, showing the Longdendale Trail (left) and A628 Woodhead Pass road. ... Derbyshire is a county in the East Midlands of England. ... The River Etherow is a river in the north west of England, and a tributary of the River Mersey. ... Greater Manchester is a metropolitan county in North West England which roughly encompasses the conurbation surrounding the City of Manchester, and has a population of 2. ...

The Longdendale Chain is a sequence of six reservoirs on the River Etherow in the valley of Longdendale, in northern Derbyshire. ...

References

1. ^ http://www.peakdistrict-education.gov.uk/Fact%20Sheets/fz21lgd1.htm
2. ^ http://www.longdendale.com/history_tintwistle.html