Park at Port Hamoneau.
(S/E) Head north along the Acheneau river.
(1) Continue north-west. You will enter the Marais du Cheval.
(2) Turn right towards the east, following the Grande Douve stream.
(3) On your right, you will see the Marais de la Guerche. Turn left onto the carriage road heading north. After 600 m, cross the D211 road with caution and continue straight ahead for 250 m, then turn right towards the hamlet of Le Bignon.
(4) Turn left to reach the hamlet of Le Barré. Go around it on the left, then after 90 metres, turn left to join the D211. Cross it carefully to reach the hamlet of La Barbotinière.
(5) Turn right onto the tarmac road for 300 m, then take the path on your left. After 10 m, turn left again to reach the hamlet of La Proutière.
(6) Take the dirt track on the left, then continue straight ahead.
(7) Turn right to reach the crossroads you took on the way there.
(2) Continue straight ahead to return to the car park (S/E).