Park at the end of Rue Francisco Ferrer in the Bois Robert car park.
(S/E) Begin your walk by continuing straight ahead along this street, then quickly turn left to cross Route Nationale 12 and reach the banks of the Ru du Bois Robert. Continue to the left to follow the river. Walk until you reach a crossroads.
(1) Turn right and follow the path that runs alongside the Étang du Moulin au Renard to its western tip.
(2) Turn left to continue along the path that runs alongside the pond via the Route de la Font Blanche.
(3) Take the shortcut on the right to cut across a bend, rejoin the path on the right and continue straight ahead on Route des Sources de la Bièvre until you reach the crossroads at the start of the Étang du Val d'Or.
(4) Turn right, staying on Route des Sources de la Bièvre, then, about 60 metres further on, leave it on the left to follow the path that runs closest to the pond. Go past the roundabout on your right and join Route de la Fontaine Blanche.
(5) Without turning onto it, take the path on the left that runs parallel to the pond.
(6) Take the stairs on the right to return to Route de la Fontaine Blanche and follow it to the left.
(7) Keep left to stay on this road and return to the starting point.
(1) Retrace your steps to return to the car park on Rue Francisco Ferrer (S/E).