by the A81 motorway, exit 4 towards Ernée / Fougères. At the exit of 4 lanes, 2 kms, at the roundabout of "Chêne Sec" take direction St Ouen des toits, then at 3 kms, take on the left a country road reserved for local residents and limited to 70 km / h. At 240m take the path to the start of the hike on the right, you have arrived. The farmhouse is located on your right.