You can park along the path leading to the LGV access.
(S/E) Follow the road that runs alongside the LGV line towards Avoise. There is not much traffic, but the road is in full sun. You will arrive at an intersection near Rabottière.
(1) Join theGR®®336and turn right towards the hamlets of Les Monforts and La Sicardiere.
(2) Continue straight ahead, ignoring the turnings on the right and left, and take the dead-end road. Arrive at Marigné.
(3) Leave the access to the Vègre River on your left and join the Sarthe.
(4) At the junction with the Sarthe, turn right and follow the river, following the red and whiteGR®® markings, to the car park at Le Jarossay.
(5) Turn right onto the path that goes uphill. The climb is steep but not long. Join a road.
(6) At the intersection, first turn right then left to take the path that leads to La Martiniere.
(7) Follow the D22 on the right. Be careful here, as there is a lot of traffic on this road, to return to the car park (S/E).