L:89
V:97

Pwll Dwfn, Deep Pot


NGR: SN 83322 16491
398 m.asl

Powys , Northern Outcrop - West (Black Mountain)
map using leaflet map:
Cave
Access Small entrance in dry valley near track. Follow the old tramway up from Carreg Haffes farm towards the stone walling and as the path crosses the top of the Dan-yr-Ogof dry valley, look for the entrance a few yards from the track on the right.
Description This is a vertical pothole 90 metres deep in 5 pitches down to a sump above which a high aven has been climbed.
History Wessex Caving Club & SWCC, 1946
Hydrology
Conservation
SSSI: 0854 Mynydd Du (Mixed)
Survey
Dolphin & Low, 1947 (also BCRA Trans 4(1/2), 1977);CPC, 1962
References
Belfry Bulletin, 195, 5-8. Description and survey
SWCC Newsletter, 1947
Wessex Cave Club Circular No.6 (NS), 1947 P.Dolphin, C.Low, J.Lander, N.Paddock
Wessex Cave Club Circular No.8 (NS), 1947
British Caver, 17, 1947, p.35,75, Dolphin,P. & Low, C., Pwll Dwfn, Glyntawe, a South Wales Pot
Cullingford, C.H.D. (1951) Exploring Caves,pp.73
Jnl CravenPC 3(2), pp.63-65, 1962, D.M.Judson. Pwll Dwfn
British Caver, 41, 1965, p.19
Caves in Wales and the Marches (Dalesman), Jenkins, D.W. & Williams, A.M. 1st Ed.1963, p.44
CDG nl.24, p.24 (1972)
Caves of South Wales, 1995, p.109
Welsh Sump Index 2006
Descent 214, p.10, Martyn Farr, New route in Pwll Dwfn
Brendan Marris Caves of South Wales
Cambrian Cave Registry entry 275
© Cambrian Caving Council ⓗ 2017