Saint-Thibaud-de-Couz, FR
Grotta: sviluppo 23m, profondità 23m, nel massiccio Chartreuse (massif de la) / Épine (chaîne de l').
Listen to the audio guide for Chien (Trou du) [n°024] [n°24] Free on WIP — starts by itself when you arrive, even with the screen off