Extreme
ExtremeArkose Pont De Sèvres
Boulogne-Billancourt
Bouldering in a split-level underground space that feels like climbing in the catacombs. 1,200 square meters of varied problems plus a lounge for post-climb hangs.
Underground climbing space
Beginner-friendly bouldering
Huge 1,200 m² gym
Relaxed social vibe
Tips
🧒skip weekend afternoons — gets packed with kids
Arkose Pont De Sèvres
Boulogne-BillancourtOpens Saturday at 8:00 AM
ExtremeExtremeBouldering in a split-level underground space that feels like climbing in the catacombs. 1,200 square meters of varied problems plus a lounge for post-climb hangs.
Underground climbing space
Beginner-friendly bouldering
Huge 1,200 m² gym
Relaxed social vibe
Tips
🧒skip weekend afternoons — gets packed with kids