L:200
V:40

Twll Clogfaen


NGR: SO 022 084
m.asl

Merthyr Tydfil , Northern Outcrop - East (Morlais to Abergavenny)
map using leaflet map:
Active Pothole
Access
Description
History Tony Donovan, Roy Morgan, 2014
Hydrology
Conservation
Survey
References
Cambrian Caving Council Newsletter 42, July 2014
Brendan Marris Caves of South Wales
Cambrian Cave Registry entry 2014-1
© Cambrian Caving Council ⓗ 2017