Road route:
To get to Charvieux from Saint-Rambert en Bugey, take the D73 towards Arandas. 6 km before the village of Arandas, turn right towards Conand. Drive through Le Vachat and, once you arrive in Charvieux, park opposite the old school, which is the starting point for the hike.
(S/E) Take the hill opposite towards Chariot.
(1) In Chariot, take the path on the left, which joins theGR®59after Pré Paliet (about 1 km). Turn left onto thisGR® trail, which leads south towards Ordonnaz and Fontaine Froide.
(2) After enjoying the pleasure of dipping your feet in the Fontaine Froide, theGR® crosses a field and joins the Calvaire de Portes crossroads.
(3) Turn right towards the Calvary, reach it and enjoy one of the most extensive panoramas in the region, from Mont Blanc to the Cévennes.
(4) Continue north-west to reach the Chartreuse de Portes monastery.
(5) Reach the GR® crossroads. Turn back, passing by the Calvaire des Portes again.
(3) Turn right towards Ordonnaz and join a road at Combe Maitant.
(6) Turn left and follow it to the hairpin bend. Continue straight ahead along the path that runs along a beautiful ridge and then descends to the village of Ordonnaz via the GR®.
(7) Turn left to enter the old town and reach the Ordonnaz Town Hall and School.
(8) Continue straight ahead to reach the crossroads at the cemetery on the outskirts of Ordonnaz.
(9) Leave the road just before the Ordonnaz exit sign and take the path on the left that leads to Calvaire de Portes. This path, marked in yellow and green, leads into the woods. Follow Côte Corcelle and further on you will come to the crossroads with the signpost: Calvaire de Portes.
(10) Leave the path leading to the Calvary on your left and continue on the path on the right. You will soon come to a small path which is actually a shortcut.
(11) Take it opposite to walk along the cliff and you will soon find the marked path, which offers a splendid view. Join the D73 road and you will come to another crossroads.
(12) Take this path on the right, which joins the D73 further on in a hairpin bend.
(13) Take this road and follow it to the reservoir junction.
(14) Descend to Charvieux by taking the path on the right after the reservoir, walk alongside the houses and rejoin the D73 to return to the starting car park (S/E).