L:60
V:

Ffynnon Ddu, OFD Resurgence, Black Spring, Black Well


NGR: SN 84735 15058
188 m.asl

Powys , Northern Outcrop - Central (Penwyllt to Penderyn)
map using leaflet map:
Rising Cave
Access Main resurgence for OFD
Description It can be dived for some length, but does not connect directly to OFD, allowing water through only.
History Marked (as Fynon Ddu) 1842 tithe map of Glyntawe
Hydrology Tests
Conservation
Gallery

Gary Evans
2020

Brendan Marris
2010

BCL/Gerard Platten
1937
Survey
P.O'Reilly 1967
Brian Clipstone 2016
References
Cullingford, C.H.D. (1951) Exploring Caves,pp.75
Catalogue of Speleological Sites...between...A4067...Pant Mawr Moor, Gary Evans (2021),p.142
Cambrian Cave Registry entry 300
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