Starting from Guéreins at the trailhead sign, car park on Rue du Centre.
(S/E) Opposite the starting point information board, turn right and, at the junction, turn left onto Chemin de Ferrary, which leads to the banks of the Callonne. Follow the river and continue along the path opposite, on level ground for 500 m, before climbing the hillside to the left. At the crossroads halfway up the slope, turn right and continue to reach the top of the plateau.
(1) At the Croix du Paradis, carry on straight ahead towards the viewing point on stilts (orientation table) situated in front of the Château des Charmes. Continue and, at the crossroads, turn right then immediately left onto the Route du Chemin Vert, which becomes a footpath.
(2) When you reach the outer wall of Château des Hardies, take the road opposite as far as the cross, then head down to the village of Genouilleux.
(3) At the junction with the D933, follow it to the left for a few metres before turning right.
(4) Facing the Saône, turn left and follow the towpath for 1.2 km before taking the next path on the left, which leads to the centre of Guéreins. Turn right onto the D933 so as to pass in front of the church, then take the second street on the left down to reach the starting point of the walk (S/E).