L:
V:

Lost Valley Sink


NGR: SN 82273 15572
420 m.asl

Powys , Northern Outcrop - West (Black Mountain)
 map using leaflet map:
Sink
Access Open moorland sink
Description
History
Hydrology Tested with lycopodium to DYO, spores appearing over 13 days suggesting an intermittent water connection. Tests
Conservation
Survey
References
SWCC Newsletter 97, 1983, pp.8-11, Bill Gascoine, A Hydrological Study of the Dan Yr Ogof and Ffrwd Las Resurgences
Gascoine, W., (1989), Hydrology of the limestone outcrop, p.52 in Limestones & Caves of Wales
SWCC Newsletter 106, 1990, pp.5-7, Bill Gascoine, A Hydrological Study of the Dan-yr-Ogof and Ffrwd Las Resurgences
Search for further records Browse registry map
Cambrian Cave Registry entry 233
 © Caving Wales ⓗ Ogofa Cymru