Park in the car park in the village of Saint-Paul-sur-Ubaye.
(S/E) Walk along the road out of the village until you reach a crossroads about 800 m after the start.
(1) Take the road that descends to the right, pass in front of a chapel and join the Ubaye River at Pont de L'Estrech.
(2) Cross the bridge, turn left and follow the river on its left bank. Continue until you reach the sign for the Petite Serenne bridge.
(3) Turn right uphill onto the path shared bythe GR®6and GR 56 as well asthe GRP® de la Frontière Fortifiée. Enter the forest and, after a steep climb, you will reach the Charjouret signpost crossroads.
(4) Turn left to reach the hamlet of Fouillouse. Cross it by taking the road on the left and head to the car park at the entrance to the hamlet.
(5) Leave the road here and turn right onto the red and white markedGR®5. At the Les Vistes signpost, continue straight ahead and downhill on theGR® to find the Route de Fouillouse signpost.
(6) Cross it and leave theGR® here to take the path downhill opposite. You will reach the Pont de Grande Serenne bridge.
(7) Continue left along the left bank of the Ubaye to reach the Pont Petite Serenne crossroads, which you already passed on the way there.
(3) Retrace your steps to return to the car park at Saint-Paul-sur-Ubaye (S/E).
