Ogof Ffynnon Ddu, Fault Aven Series
The Fault Aven area is a series of high level passages above the First River Chamber in the main streamway of Ogof Ffynnon Ddu. This area is unique in that Pom Pom Passage is the only part of the cave to be formed on the southern side of the OFD stream-way. Here’s a video report …
