From Gap town centre, head towards Marseille. Take the exit for Veynes/Valence, then at the Eyssagnières roundabout, continue in the same direction. Take the second right onto Rue de Chaudefeuille. At the end, follow Chemin du Viaduc for 400 m. Park in the designated spaces. Look for the start sign.
(S/E) Sign marking the start: follow the path to the right for 300 m.
(1) At the junction, turn left. The path, initially flat, descends towards the Torrent de la Selle. Pass under the viaduct, cross the stream and climb up the left bank. The path turns into a track.
(2) At the junction, turn right. Once on the tarmac, continue straight ahead to the orientation table.
(3) At the orientation table, turn back along the same path.
(2) Turn right at the junction to cross the railway line via a bridge, then continue down the slope.
(4) Take a small path that dips to the left. When you reach a farm, go round it as best you can to join the track.
(5) Continue along the track, which climbs and joins the Chemin du Viaduc. Carry on straight ahead along the road to return to the starting point (S/E).