Park in the fitness trail car park.
(S/E) Enter the forest via the wide path marked with a yellow rectangle and follow it to the Gros Chêne.
(1) Pass the Gros Chêne and, at the fork, continue to the left and follow the tarmac road to reach the Kupferschmitt house. Continue to the intersection.
(2) Cross the road and take the path opposite into the forest, marked with a green disc, which immediately turns left to reach the Étang du Coucou.
(3) With your back to the pond, head towards the path opposite marked with a red disc and follow the stream for about 400 m.
(4) At the fork, head right uphill, reach the road and follow it to the left to the old inn (closed).
(5) Turn right, enter the enclosure, walk down along the fence, cross the ford and continue through the forest on the path that forms a circular loop.
(6) Leave the path and descend the trail on the left. Cross the road, then the footbridge, and climb up the other side of the valley. Follow the road to the left and arrive at the Malplaquet farm.
(7) At the intersection, continue straight ahead and, at the next fork, keep to the right. At the edge of the forest, there is a magnificent view of the Donon. Continue for another 400 metres and keep to the right until you reach the intersection.
(8) Turn right to reach the Abri des Trois Planchers.
(9) Walk along the edge of the woods to the left, take the fitness trail and pass the playground. At the road, turn right back to the fitness trail car park (S/E).