Departure from the “Berthelière” stop on line 10; see timetables on the Impulsyon website: The transport network of the La Roche-sur-Yon conurbation
(S/E) Facing the pond, turn left until you reach the crossroads. Take Rue du Vieux Village on the left. Pass Rue des Fournils on your right, take the right-hand bend, and you’ll reach a three-way junction.
(1) Head to the right and explore the streets of the old village with its many houses featuring exposed granite stonework and their bread ovens. Retracing your steps, head to the right and rejoin the street you left at the three-way junction. At the bend, go straight on to join the lakeside path.
(2) Head left to follow the path: please note that this section of the path is not signposted; it is also high up, above the lake, for about 250 m.
(3) Cross the footbridge to reach the opposite bank, then turn right, following the dual GR® and GRP® markings.
(4) Pass by the old bridge of the Haute Thermelière iron mine, also known as the “Pont des Boches”. Continue along the bank to the bridge.
(5) Cross the bridge and, on the other side, join the path on the right marked in red. Continue along the lake until you reach the junction of the circular path.
(2) Turn left, then take the street on the right, until you reach the original junction.
(1) Continue straight ahead, in the opposite direction to the outward journey, to return to the bus stop (S/E).