Randy Mere Reservoir, is a freshwater reservoir owned and operated by Yorkshire Water, near Beck Hole, in North Yorkshire, England. The reservoir was built in the 1880s by Whitby Water Company and holds about 62,000 cubic metres (2,200,000 cu ft) of water. The reservoir is built on an overflow channel for the proglacial Lake Eskdale, and before being converted into a reservoir, the area was a tarn and a marsh that was used as a commercial leech fishery.