An unusual visit along an underground river, in a spectacular and refreshing natural rift.

The Bramabiau Abyss offers a unique experience: a subterranean river accessible via a specially-designed footbridge. The route follows the watercourse through a spectacular rift, where light and darkness mingle. The atmosphere is cool and mysterious, ideal for hot summer days. This original tour reveals the power of underground erosion. From the Les Calquières campsite, it’s a must for young and old alike.