(S/E) From the Col de Grenouze car park, take the D625 on your left.
(1) At the hairpin bend, turn onto Chemin du Pontey, which climbs straight ahead. At Remillieux, follow the road to the right that climbs and continue along the path that extends from it.
(2) At the three-way junction, take the path on the left at the edge of the woods. On the right, at Crêt de Chassenoud, there is a hang-gliding launch site. There is a beautiful view of the village of Longe and the city of Lyon. Going downhill, at the junction of two paths, follow the one that descends to the right to join the D28.
(3) At the D28, follow the road to the right, pass the Col de Chassenoud and continue to the next fork.
(4) Take the D28E on the right towards Vireloup and La Mourlarie.
(5) Cross the Arbuel and continue to the next three-way junction.
(6) Turn right, cross Vireloup and continue towards La Mourlarie, leaving L'Hivernerie on your right.
Enjoy beautiful views of the Rhône valley from Givors to Condrieu. Cross the hamlet of La Mourlarie.
(7) Take the road that climbs to the right (Chemin de la Fréta). Cross La Fréta then descend via the path that continues along the road to the D78.
(8) Turn right towards Col de Grenouze. Continue on the D78 until you see the sign for "la Vieille Chapelle".
(9) Leave the road and take the steep wooded path on your right. When you reach the top and encounter other paths, continue straight ahead uphill towards Col de Grenouze (S/E).