L:2500
V:145

Tunnel Cave Top


NGR: SN 83694 16545
386 m.asl

Powys , Northern Outcrop - West (Black Mountain)
map using leaflet map:
Pothole
Access Gated and Locked Entrance near to footpath. Current Access arrangements
Description Pitches lead down to show cave, which is separated by an airlock gate
History Dug open by SWCC, 1962
Hydrology
Conservation
SSSI: 0854 Mynydd Du (Mixed)
Survey
References
SWCC nl 38, pp.6-10, Ann Williams, August week-end 1961 and Postscript [Blasting the shaft]
SWCC nl 42, pp.1-3, Clive Jones, The Tunnel Cave Project
Graham Wilton-Jones, Belfry Bulletin, 1978, Tunnel Cave - South Wales
Peter I.W.Harvey 2009 Tunnel Cave Exploration 1953-62
Cambrian Caving Council nl. Jul 2007, Bernie Woodley, Tunnel Cave Airlock
Brendan Marris Caves of South Wales
Cambrian Cave Registry entry 282
© Cambrian Caving Council ⓗ 2017