Starts from Place des Huguets in Saint-Didier-sur-Chalaronne.
(S/E) From Place des Huguets, turn right onto Rue des Huguets, then right onto Rue du Marché. Continue to a roundabout, then take Rue de Crenans. Follow this road towards Thoissey and, when you reach Place Georges Agniel, head towards the campsite. Turn left in front of the wash house to walk alongside the Canal des Échudes and the campsite. Cross the leisure area.
(1) Before the D933, turn right onto the old road, then cross the old bridge over the Chalaronne. Walk for 200 m until you reach the rest area. Cross the D933 (take care) towards the riding centre; in front of the Vannans sign, take the path on the left and walk through the entire hamlet of Vannans. At the end, continue left along the D100 to the Rollets cross.
(2) Head uphill to the left and pass through Les Rollets. Continue along the path that descends through the woods and leads onto the tarmac road; follow this to the left until you reach the 90° left-hand bend.
(3) Take the path on the right and cross the Chalaronne via the footbridge. Head towards the Moulin des Vernes. Continue along the small road, then follow the D7 to the left, and reach the junction with the D64 (take care). Carry on straight ahead to reach Valenciennes, then Les Brocatières.
(4) At the entrance to this hamlet, turn right onto the sunken track which climbs up onto the plateau and crosses farmland (panoramic view). Take the D66a to the right for 250 m.
(5) Turn left onto the track. At the end of this, take the road on the left for a few metres, then the track that descends to the right for 400 m.
(6) Take the small tarmac road on the left and follow it to the cross at the entrance to Haut Mizériat. Turn right and head downhill for 150 m, then take the path on the hillside to the left (panoramic view) which leads to Belle-Vue Castle. Continue for 1 km to Onjard (Stop sign). Carry on towards Valenciennes for 500 m.
(7) Turn right onto the path which passes through the housing estates and leads back to Saint-Didier-sur-Chalaronne. When you reach the D933, turn left, then leave it by turning right onto Rue du Marché and head right to Place des Huguets (S/E).