Showcave entrance was backfilled and sealed for safety reasons, but system is accessible via partially walled-up entrance to Wapping Mine, with no known restrictions. Complex is part of Masson Hill SSSI. The DCA publication 'Cumberland Cavern and Wapping Mine' contains much useful information on the site.
() The Gem of the Peak. Derby., , pp.60-61., (reprint by Moorland, Hartington, 1973)
(1972) , Bull. P.D.M.H.S. Vol.5. No.2., pp.114-127. Survey., Peak District Mines Historical Society
(2001) , A Cave and Mine Conservation Audit for the Masson Hill area. DCA, Survey., Derbyshire Caving Association
(2002) , Cumberland Cavern and Wapping Mine. DCA publication., , Derbyshire Caving Association
(2010) , Caves of the Peak District, p. 144, DCA