Ogof Ffynnon Ddu Cwm Dwr Entrance  (Cave)

 

Location SN 85750 15600.  Northern Outcrop - Central (Penwyllt to Penderyn), Powys
Updated
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Elevation (m) 335 
Length (m)
     
OS Map No.
1:50000
160 
1:25000
OL12 
1:10000
 
Access Also known as Cwmdwr Quarry Cave.
See Ogof Ffynnon Ddu 1
See the Access page of the Cambrian Caving Council Website for current Access arrangements at http://www.cambriancavingcouncil.org.uk/cave_access.html 
Description See Ogof Ffynnon Ddu 1 for description relating to OFD as a whole.

The cave was first found by quarrying and then explored by the Dragon Group in 1937. The cave was re-opened by SWCC in 1957. It as then a medium sized cave with about 900 metres of passage. Subsequent exploration led to it being connected to OFD II in 1966. 
Condition  
Bibliography See Ogof Ffynnon Ddu 1 for bibliography for OFD as a whole 
Survey  
Found / Dug By Clive Jones & SWCC, 1966 
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