Ogof Llyn Du - Ogof Dydd Braf

Cave details

4 km
Vertical range:
< 60 m
North Wales

Also known as Ogof Llyn Ddu. A largely fossil system, separated from Ogof Llyn Parc by a couple of sediment chokes, and an intermediate series of chambers. If connected, these would create the Pool Parc System or Minera Mountain System. The cave is accessed through a number of different mined passages and shafts. A brief description and survey are available online.