Visitors entrance Bluebells Read the sign Amputee Garth Woods Castle view Mine/Quarry head gear Tunnels new and old A BIG hole Quarry overview Wild woodland flowers Tunnel Portal Quarry Machinery Quarry Vehicles Spot the digger Tunnel Portal Lineside building Across the gap Viaduct trackbed Bluebells Booklet cover Builders on the job Construction The Garth Mountain Correct! Looking down Quarry edge and Castle Coch walk map Gŵal y Cadno