Park south of Saint-Romain, at the end of the road to the hamlet of Palavezin-Cottarcieux.
(S/E) Continue straight ahead (north-east) along a path. After a right-hand bend, descend the winding road to the railway line. Turn right and cross a stream.
(1) Turn right onto the small road that climbs to Chamouy.
(2) In the hamlet, turn right onto a path that climbs uphill. At the various forks, always follow the path on the left that climbs uphill the most, to Clay.
(3) In the hamlet, turn right downhill. Cross the stream, then turn sharply right and climb up to a place called Le Coin (Échalas).
(4) At the crossroads, turn right towards Haras de Pré-Jeurin and pass in front of the stud farm.
(5) After 100 metres, follow the path on the left which descends steeply and joins Palavezin. Turn left and then immediately right.
(6) Turn right to reach the hamlet of Cottarcieux (S/E).