Trassanel, FR
Grotta: sviluppo 5m, profondità 2m, nel massiccio Noire (montagne) / Versant méridional de la Montagne Noire audoise, hydrosystème du Minervois-Cabardès.
Listen to the audio guide for Souffleur 1 (Trou) Free on WIP — starts by itself when you arrive, even with the screen off