L:
V:

Wet Sink


NGR: SO 10854 13113
488 m.asl

Blaenau Gwent , Northern Outcrop - East (Morlais to Abergavenny)
 map using leaflet map:
Sink Doline
Access Large sink in grit on Trefil Ddu.
Description
History SVCC
Hydrology Water feeds Ffynnon Shon Sheffrey in under 48 hours. Dye test by W.Gascoine, 1980 Tests
Conservation
Gallery

Brendan Marris
2013
Survey
References
SVCC Newsletter 12, p.8
SVCC: Trefil Caves in Brief, 1974
S.E. Wales Groundwater Study, 1980 (Welsh Water Authority).
Oldham, T Caves of the Central Northern Outcrop p.16, 2003
Search for further records Browse registry map
Cambrian Cave Registry entry 766
 © Caving Wales ⓗ Ogofa Cymru