Access: From Ville Vieille, follow the D5 towards Moilines-en-Queyras, then turn left onto the D205 towards the Col Agnel. Pass through Pierre Grosse and then Fongillarde, and park on the right at the Pont de Larianne car park.
(S/E) From the car park, cross the bridge and take the track on the right. Continue straight on until you reach a road.
(1) Follow this road to the left, pass the Chalet des Amoureux, and you’ll arrive at the entrance to the village of Saint-Véran.
(2) Take the upper street, which passes a wayside shrine a few metres further on, and carry on straight ahead until you reach a car park on the outskirts of the village at the Rif de Sainte-Luce.
(3) Follow the track which climbs to the left and, ignoring the side paths on either side, head towards another small car park.
(4) Just before this, take the track on the left which leads to the Pic de Château Renard Observatory. When you reach the left-hand bend, almost at the foot of a gravel pit, look out for a path on the right heading towards the Col du Longet.
(5) Continue left along the track until you reach the observatory.
(6) At the observatory, retrace your steps back to the path you spotted on the way up.
(5) Take the path on the left and head for the Col du Longet.
(7) Cross over to the other side of the valley and follow the path down to the Pont de l’Ariane (S/E).