Run by North Wales Technical Divers Club (NWTD) welcomes qualified technical divers to explore Dorothea Lake (AKA Dotty), a fascinating inland quarry, deep in the mountains of North Wales.
Dorothea Quarry
Run by North Wales Technical Divers Club (NWTD) welcomes qualified technical divers to explore Dorothea Lake (AKA Dotty), a fascinating inland quarry, deep in the mountains of North Wales.
