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) Turn left onto the dirt track that runs between two houses, towards Le Murier / Les Collodes, and climb steeply eastwards. You’ll come out onto a tarmac road.
(2) Turn right onto it to reach the sign for Les Collodes.
(3) Take the road opposite, which is marked with the yellowPR®® sign, to reach the junction with the sign for Le Murier.
(4) Stay on the road opposite, which bends to the right, and, about a hundred metres further on, you’ll come to the crossroads marked ‘Au Cret’.
(5) Continue straight ahead along the track, pass a telecoms mast, then reach the Y-junction marked ‘Les Combettes’.
(6) Leave the tarmac road here and continue to the right along the dirt track, which climbs gradually through the forest. You’ll 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 out 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 end.
(11) Turn right and head downhill. Ignore the various private tracks on your left. A few hundred metres further on, you’ll rejoin the tarmac road. Follow it straight ahead to reach the junction with the ‘Collodes’ sign, which you passed on the way out.
(3) Follow the route taken on the outward journey in the opposite direction to return to the car park at Place de la Liberté in Saint-Martin-d’Hères (S/E).
