No special access issues
🚗 Check the map to find the parking, it's just right of the road going to Champex d'Alesse.
🚶♂️ Follow the trail on the map. You just follow the big dirt path until you see the first boulder "Complice", the rest of the area is just down right. (less than 5min walk)
It's possible to walk up from Dorénaz Parking télé if you come with public transportation. Just follow the main big path, around 20min.
No special rules, but of course bring back your trash!