Langcliffe Pot - Description

Description

The Oddmire entrance drops below a limestone slab at the bottom of an otherwise unremarkable shallow shakehole north east of Fox Scar. A pitch of 30m leads to a traverse, then the start of 200m of wet crawling, Craven Crawl, the termination of the cave until 1968. Beyond Number One Junction, Stagger Passage leads 600m to Hammerdale Dub, and a junction with still larger passage continuing downstream. Some 1500m of streamway interspersed with boulder obstacles, Langstrothdale Chase, ends in a bedding plane crawl leading to Boireau Falls Chamber, 20m in diameter and 6m high, where the stream reappears and cascades into the boulders flooring the chamber. A complex boulder choke leads to a 20m pitch dropping into the Nemesis chamber. A massive collapse region, a tight and navigationally complex boulder choke, leads to Gasson's Series, initially high streamway, descending past Poseidon Sump and on into a procession of fine rift passage and chambers of the Agora, before turning east into Aphrodite Avenue, a handsome canyon with gour pools, and the Silver Rake. The system comes to an end at a wall of sand and boulders, which can be bypassed to a smaller descending passage reaching a sump.

Notwithstanding its limited depth, a trip into the far reaches of Langcliffe Pot is still rated as one of the more serious undertakings in British caving. A detailed passage description and survey is given in Northern Caves. A survey in relation to the other caves of the Black Keld drainage system, and a detailed discussion of the geology and hydrology, is given in Limestones and Caves of Northwest England, Chapter 22.

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