# 4 – Chorsin glacial cliffs from the Garnier refuge
Jasseries de Colleigne Regional Nature Reserve
Length: 3.2 mi
Descent of the ancient glacial cliff of Chorsin (Haut du Jour, descending from the Molinvé plateau) and climb another, on the other side of the Pierre Brune stream, ending near the Auberge and the Garnier Refuge. It is a difficult course that requires the use of hands in many places.–
