Winch and adit, Bryn Glas
Gour pools and chamber roof, Bryn Glas
Tram Rails, Bwlch-y-Plwm. Photo by Iain Robinson
Bwlch-y-Plwm, the junction. Photo by Iain Robinson
Stope and Shaft, Nant Gefail-y-Meinars. Photo by Iain Robinson
Junction Under the Moelwyns, photo by Iain Robinson
Adit Light, Brynglas, photo by Iain Robinson
“Through Passage” photo by Iain Robinson
Foel Gron, the daylight chamber.
Looking outbye, Chwarel Gethin Jones, Snowdonia.