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Onllwyn Forest Sink E NGR: SN 99700 08770 375 m.asl Rhondda Cynon Taff , Northern Outcrop - Central (Penwyllt to Penderyn) |
map using leaflet map: | |||
Sink | |||||
Access | |||||
Description | |||||
History | |||||
Hydrology | Inconclusive OB test: possibly to Llygad Cynon? | Tests | |||
Conservation | |||||
Survey | |||||
References | |||||
Search for further records | Browse registry map | ||||
Cambrian Cave Registry entry 2020-82 |
© Caving Wales ⓗ Ogofa Cymru |