Trassanel, FR
Grotta: sviluppo 12m, profondità 5m, nel massiccio Noire (montagne) / Versant méridional de la Montagne Noire audoise, hydrosystème du Minervois-Cabardès.
Listen to the audio guide for Souffleur de la Crête (Trou) [T 10] Free on WIP — starts by itself when you arrive, even with the screen off