Derwent Dam and Reservoir was designed by the Derwent Valley Water Board - Cheif Engineer - Edward Sandeman.
Derwent Dam top walkway
Walkway to the Valve House
Derwent Dam and Reservoir
From Wiki: Derwent Dam and Reservoir - Construction of the neo-Gothic solid masonry dam began in 1902, a year after the building of Howden commenced, and proved…