Park near the church in Bissy.
(S/E) Walk up Rue de la Bataillarde (sloping).
(1) At the top of the street, turn left onto Chemin des Grandes Aules. Continue along the Côte de Bissy path to reach the hamlet of Chalou.
(2) Turn right onto Chemin du Bon Pas and follow it westwards. Pass several turnings on the right, descend the stony path to cross the Nant Bruyant stream and climb back up through the Bon Pas Equestrian Centre. Stay on the road until the next intersection.
(3) Turn right onto Chemin des Roussettes. Follow it down to the hamlet of Berthollet, then join the D15.
(4) Take this road, turning right. Stay on the road until you come to a path on the right.
(5) Go down this path towards Stream Petchu and join Route de l'Épine (D3). Follow it, turning right to go back up towards Bissy.
(6) At the crossroads by the reservoirs, continue straight ahead, taking Rue du Rocher Blanc and then Chemin de Chamoux downhill to return to the starting point (S/E).