This sector gathers the boulders of the Mont Ussy area on the right side of La Route de la Butte aux Aires. The parking lot is located along that road and the first boulder "La Roche d'Hercule" is 20m from it.
🚊 🚲 The area is easily accessible by the train from the station of Fontainebleau-Avon (20 minutes walk).
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