From Paris:
take Lyon, Grenoble, then N85 Gap, then N94 Chorges.
From Marseille:
A51 towards Gap, then D942 and N94 Chorges.
Commmon :
After Chorges, stay on the N94 towards Embrun, then turn left towards Puy Sanières just before the Savines bridge. Always follow Puy Sanières, then turn right D9 direction Embrun, pass the hamlets of Bouteils and Truchets, then turn left hamlet Le Serre. Just after the junction, 20m further on, take the path on the left which goes up into the meadow. Benchmark: mailbox surrounded by 3 tipi-shaped poles.