Take the D36 between Cellefrouin and Saint-Mary to reach the starting point, marked by a dirt car park near a hunting lodge.
(S/E) Head due north on the D36 and turn left onto the first forest track. Continue straight on until you reach the first crossroads.
(1) Go straight ahead, then turn left and follow the gently sloping forest track to a local road at elevation 110.
(2) Turn left and continue along the edge of the woods heading due south until you reach a crossroads at elevation 168.
(3) Turn left, then left again at the next junction to reach another crossroads.
(4) Turn right, then left. At elevation 145, veer right and join the D36.
(5) Cross it carefully and continue straight on, past the 141 mark to a path junction.
(6) Turn left and continue straight on until you reach the 135 mark, then turn left. You will come to another crossroads.
(7) Turn right and, at elevation 130, go straight on to return to your starting point (S/E).