High perched, dominating full on Voreppe and the valley of Isère, Roche Brune offers you a beautiful ground of adventures suspended on a rock sometimes green! Routes 5a to 7c, athletic.

IGN Map: 3334 OT
Altitude: 900 m
Orientation: south
Approach time: 20 min
Favorable period: all year

Rock: limestone
Number of routes: 42
Minimum track height: 20 m
Maximum track height: 100 m
Level of practice: improvement (grades 5c to 7c)
Climbing style: slabs, overhang, cracks
Equipment: site re-equipped in 2013.

25mn walk from the Grand Ratz car park (be careful, few spaces).

Find the details of the site in the Topo Isère published by the Departmental Committee of the FFME (Volume 1) on sale in bookstores and sports shops.


Accessible all year round.


Free access.


Activities on site

  • Climbing sports / Rope sports
  • Climbing site

Home of animals

  • Animals accepted: not communicated


From Voreppe center, take direction St Laurent du Pont via the Col de la Placette (D 520 A). In the village of La Placette, turn left towards Grand Ratz. After 1.5 km turn left onto the Grand Ratz road. In the village, turn left along the road.
After the parking lot at the sign "Grand Ratz", take the track on the left towards Rochebrune.
Follow the yellow markings to the cross at the top of the cliff.
Abseiling access at the foot of the tracks