Trassanel, FR
Grotta: sviluppo 30m, profondità 8m, temperatura 14°C, nel massiccio Noire (montagne) / Versant méridional de la Montagne Noire audoise, hydrosystème du Minervois-Cabardès.
Listen to the audio guide for Deux D (Trou des) [2 D] Free on WIP — starts by itself when you arrive, even with the screen off