Moon's Hill Quarry () is a 3.42 hectare geological Site of Special Scientific Interest at Stoke St Michael in Somerset, notified in 1996 and is a Geological Conservation Review site. The quarry covers some , and is operated by John Wainwright & Co Ltd which purchased it in 1897 and has operated it continuously ever since. The quarry produces Basalt Aggregate known as hardstone and is used for the surface course, the top layer of the road surface. See also Quarries of the Mendip Hills References External links Geodiversity information from Somerset County Council Minerals data from Mindat.org Sites of Special Scientific Interest in Somerset Sites of Special Scientific Interest notified in 1996 Quarries in the Mendip Hills Geology of Somerset