Entrance in old surface lead workings 21m south of walled Pictorend Mine shaft (61m deep). Access to this site is by approaching Mr David or Ernest Rowarth of Hazelbadge Hall.
(1973), , S.U.S.S. Jour. Vol.2. No.2., pp.25-27. Survey., Sheffield University Speleological Society
(2010), , Caves of the Peak District, p. 62, DCA