The mountains of Ain, globally limestone, are split, broken, bent, wrinkled everywhere.
During centuries, the streaming water infiltrated into the rock by increasing slowly these cracks which gradually form an underground network of galleries and cavities.
On surface, they model cracks, sinkholes, losses and abysses.
escorted hikes on "the Road of the water".
The association also organizes, during summer, escorted hikes to discover the landscape and the underground environment in Drom-Ramasse and Corveissiat
Corveissiat
01250 Hautecourt-Romanèche