Clearwell Caves - For thousands of years iron ore has been mined at Clearwell Caves. You can still meet a Free Miner here; men whose ancient birthright entitles them to dig for minerals within the Hundred of S
National Showcaves Centre for Wales - Dan yr Ogof, one of the finest and well preserved caves in South Wales. Found at the head of the Swansea Valley, the cave spreads some 17Km into the Black Mountain. The journey through Dan-yr-Ogof is
Llechwedd Slate Caverns - Welcome to Llechwedd Slate Caverns, the most popular visitor attraction in North Wales! Llechwedd Slate Caverns are situated on the A470 between Blaenau Ffestiniog & Dolwyddelan. We are only 3/4
Cefn Coed Colliery Museum - A magnificent steam winding engine, now electrically driven, an underground simulated mining gallery and a fascinating collection of mining tools and equipment are the highlights of this museum house
Llanfair Slate Caverns - The entry to this old but important slate mine is through the main tunnel, under the twin arches of the crypt, and into the lofty cathedral cavern. Remember that the tunnels and caverns you are abou