Tags: Cave.
Reservoir Hole is a cave in Cheddar Gorge in southwest England. It contains what is believed to be the largest chamber yet found under the Mendip Hills.The cave was first dug out in 1951 by members of Wessex Cave Club and further progress was made in 1965 when Moonmilk Chamber was reached with the use of blasting. Grand Gallery was discovered in 1969 Topless Aven in 1970 and Golgotha Rift in 1973.