Plain des Fosses: Rock climbing in Anseremme

23 October 2026

The Plain des Fosses crag in Anseremme is a group of rock formations actually comprising several massifs with evocative names: the Copères rocks, the Nausea rocks, the Canal rocks, the Batte rocks, and the Secret Garden rocks. It can accommodate approximately 25 climbers of grades 5 to 6 on its 35 routes, characterized by slabs and overhangs. Its natural setting makes it a pleasant spot for a half-day of climbing. Your climbing efforts will be rewarded with beautiful views of the meandering Lesse River and the small hamlet of Pont-à-Lesse.