Description
Once shaped by ice, the Fossat valley is home to remarkable forest ecosystems.
Its cool microclimate and numerous springs make it a welcoming oasis in summer.
An opportunity to discover forest biodiversity in the company of a local naturalist.
Level: medium
Distance: 5 km and 250 m ascent
Guides: À pas de lynx, Mountain Leader
Bring water, hiking boots, windbreaker, cap and sun cream.
Reservations must be made online (see below) no later than noon on the previous day (no later than noon on Friday for Sunday and Monday events).


