Saint-Agnan-en-Vercors, FR
Grotta: sviluppo 800m, profondità 460m, temperatura 8°C, nel massiccio Vercors (massif du) / Hauts plateaux et contreforts du Vercors oriental.
Listen to the audio guide for Spinette (Trou) Free on WIP — starts by itself when you arrive, even with the screen off