Alum Pot is a pothole with a large open shaft at a surface elevation of on the eastern flanks of Simon Fell, North Yorkshire, England. It connects with nearby Long Churn Cave and Diccan Pot. The pot is accessed via a 1-km private track on payment of a small fee from Selside Farm in the hamlet of Selside in Ribblesdale. Alum Pot has variously been known as Allan, Alan, Allen, Hellen and Hell'n.