Chartist Cave photos and information![]() Chartist Cave sits high on the moors above Trefil. It's large entrance formed below a gritstone arch leads to a lower series of chambers and radiating passages. |
Ogof Ap Robert photos and information![]() Ogof Ap Robert is found in a large shakehole where a small stream sinks in the base of a 10m cliff face. Some tight passages lead to the impressive Toad Hall. |
Ogof Cynnes photos and information![]() Ogof Cynnes is an extensive cave located in the centre of Mynydd Llangynidr. The cave is notorious for it's copious amounts of mud that makes the trip arduous. |
Ogof Tarddiad Rhymney photos and information![]() Ogof Tarddiad Rhymney is located in the base of an old quarry face, it's large passages continue for a considerable distance before suddenly closing down. |
Ogof Rhyd Sych photos and information![]() Ogof Rhyd Sych has a beautiful arched entrance with a stream emerging from it, but soon degenerates into the tight and wet passages that it is renowned for. |
Ogof Y Ci photos and information![]() Ogof Y Ci is located upstream of Rhyd Sych and has a central entrance that leads to a fine stream passage that degenerates to crawls towards the second entrance. |
Blaen Onneu Quarry Pot photos and information![]() Blaen Onneu Quarry Pot is accessed through the quarry floor and has strongly draughting tight passages and pitches going north and south from the entrance. |








