Trassanel, FR
Grotta: sviluppo 6525m, profondità 185m, temperatura 14°C, nel massiccio Noire (montagne) / Versant méridional de la Montagne Noire audoise, hydrosystème du Minervois-Cabardès.
Listen to the audio guide for Trassanel R1 (Grotte de) Free on WIP — starts by itself when you arrive, even with the screen off