Approach notes

From Milly-la-Foret drive in the direction of Arbonne-la-Foret (D837). Park in the large car park (la Feuillardière) along the D837, just before a long bend to the left and the crossing with the A6. From the car park, follow Chemin de la Borne a l'Enfant. At the crossing, walk straight into the forest and cross the childrens boulder area. Find a small path in a southerly direction. Soon the former SB16 crosses this path, near a dolmen (blue E). Keep following the small path uphill, through a valley. Coup de Tonerre is on a boulder (recongnised by two large pockets) to the right of this path, 75 metres after crossing the former SB16.

For the westerly sector, at the crossing before the childrens boulder area, turn right onto Chemin de Trappe Charette. Pass the aqueduct and follow the path for 400 metres. Turn left here onto a small track, this is just before the path makes a bend to the right. The large boulder with le Cadeau is just underneath the ridge.