• Starting point : Oloron-Sainte-Marie
  • Total distance : 2,6 km
  • Elevation : 100 m
  • Walking : Very easy

This one-of-a-kind and spectacular trail from one chasm to the next unlocks the gateway to the underworld. Have a family outing on a forest path stepping onto bridges over chasms to experience the incredible network of cavities under your feet. (...)

Access the details of this itinerary on Cirkwi.com

Last update : 04/07/2026 à 04:10:24

Source : Cirkwi | Communauté de Communes du Haut-Béarn
Photo credit : @Cirkwi - Communauté de Communes du Haut-Béarn