Trassanel, FR
Grotta: sviluppo 4m, profondità 1m, nel massiccio Noire (montagne) / Versant méridional de la Montagne Noire audoise, hydrosystème du Minervois-Cabardès.
Listen to the audio guide for Terrasses n°1 (Trou des) [T 22] Free on WIP — starts by itself when you arrive, even with the screen off