Park in the car park in front of Place de la Liberté in Saint-Martin-d'Hères.
(S/E) Cross the road, heading east, to find thePR® sign: Saint-Martin-d'Hères. Continue along the street, towards Le Murier / Les Collodes, until you reach the Chaberte sign.
(1) Take the dirt track on the left that runs between two houses, towards Le Murier / Les Collodes, and climb steeply eastwards. You will come out onto a tarmac road.
(2) Turn right onto it to reach the sign for Les Collodes.
(3) Take the road opposite, which follows the yellow-markedPR® trail, to reach the junction with the Le Murier sign.
(4) Stay on the road opposite, which turns right, and, about a hundred metres further on, you’ll reach the junction with the ‘Au Cret’ sign.
(5) Continue straight ahead along the track, pass a mast, then reach the Y-junction at the sign for Les Combettes.
(6) Leave the tarmac road here and continue to the right along the dirt track which climbs gradually through the forest. You will reach another multi-way junction at the Col du Gourlu, indicated by a sign.
(7) Turn right onto the path that goes round the hill to reach the Batteries Hautes.
(8) Begin the descent to a closed gate.
(9) Turn right onto the grassy path running parallel to the road. After a circular bend, you’ll rejoin the tarmac road.
(10) Look for the yellow markings on a tree on the left, continue along the road to the left to reach the hamlet of Le Bigot and walk through it until you see the ‘Le Bigot’ sign at the exit.
(11) Turn right and head downhill. Ignore the various private paths on your left. A few hundred metres further on, you will rejoin the tarmac road. Follow it straight ahead to reach the junction with the Collodes sign you passed on the way out.
(3) Retrace your steps along the route you took on the way there to return to the car park at Place de la Liberté in Saint-Martin-d'Hères (S/E).
