Salthill Quarry is an internationally important site for the study of Waulsortian Mud Mounds and Crinoids. In addition there are rare limestone flora to be noted on your way round so come prepared! Visitors to the Quarry should observe the "Code of Geological Fieldwork". A good reference for the visitor is the Salthill Quarry Geology Trail GA Guide N0.58 (1997) by A.Bowden, M.Webster and T.Mitchum