A vertical pipe leads directly onto the top of a 34 metres (112 ft) shaft which lands on an unstable boulder ledge.

It eventually emerges from the Leck Beck Head spring in Ease Gill.

[3] The current outlet at the base of Boxhead Pot is small, but there are a series of abandoned phreatic passages, called the Tate Galleries, 10 metres (33 ft) above the floor of the current outlet, and it is thought that the shafts were formed before the Devensian glaciation, and were originally drained by those passages.

[4] The Boxhead Pot shafts were originally climbed from below in the late 1980s by Mick Nunwick.

In the autumn of 1994, Northern Cave Club cavers found an open and unstable hole in a shakehole, which they descended to land at the bottom of the NPC Avens in Lost Johns'.