• An easy circular walk around lac de Derborence and the nature reserve.
  • Restaurant and terrace open during the summer season.
  • Ideal for families.
  • Travel conveniently and straightforwardly on public transport.

To the timetable


This valley was cut off after two huge rockfalls in 1714 and 1749, allowing nature complete freedom and enabling the formation of the lake. 

To discover this sanctuary with its many varieties of fauna and well-preserved fauna, choose your route in the wild valley and around the lake.

Further content