Credit: Mark S Jobling
Gaping Gill on Ingleborough Hill is, at 105 metre deep, one of the deepest potholes in the Yorkshire Dales, and one of many entrances to the Gaping Gill cave system. (read more . . . )
Gaping Gill on Ingleborough Hill is, at 105 metre deep, one of the deepest potholes in the Yorkshire Dales, and one of many entrances to the Gaping Gill cave system. (read more . . . )