The Creux de l'Envers (Envers Hollow)

The "Creux de l'Envers" is a very special geological structure located in the forest above Gex. The view on the Jura chain is beautiful and the nature is preserved. You can reach it by following the thematic path "Au fil du Bois" ("Through the woods").
Le Creux de l'Envers is part of the Haute Chaine du Jura National Nature Reserve. Its regulations must be respected.