Park in front of the Yassard furniture company, located on the D470 after the viaduct, towards Saint Claude.
(S/E) Follow the D470 for 200 metres and take the path on the left. Follow the path for about 500 metres until you reach a large bend to the right.
(1) In the bend, leave the road and take a small path to the left. At the end of this path, turn right, then left to join the forest road to Lac d'Antre. Stay on this road until you see the lake, then turn left. Continue to the crossroads with the Découverte trail.
(!) Due to a landslide, access to the Lac d'Antre viewpoint is closed until further notice.
=> From point (2), go directly to point (4)
(2) Take this path on the right to reach the Lac d'Antre viewpoint. Follow the path and turn right before the descent towards the Lac d'Antre viewpoint. The viewpoint is easy to find. View of Lac d'Antre, the viaduct and, on a clear day, the Jura mountains and Mont Blanc
(3) Descend from the viewpoint via the path behind the bench, or turn right facing the lake. Both paths will take you back to the forest road. Return to the forest road.
(2) Turn right onto the paved section for about 500 m, then leave the forest road onto the path marked with yellow signs. Follow the path downhill to the right, left, and right, until you reach the small bridge that crosses the Héria, then the forest road.
(4) Stop briefly to look at the Gallo-Roman excavations located 50 m to the left.
Retrace your steps and cross the road to take the path between the house and the vegetable garden. Follow the path for about 1,200 m until you reach a pine forest.
(5) Take the path on the left, in the pine forest, the small path marked in yellow. Follow it to the Moirans viewpoint and enjoy the view of the toy museum and Lake Vouglans in the background.
(6) Keep south on this path until you reach the Villards-d'Héria viaduct. Under the viaduct, you will have a view of the Accropont.
(7) Cross the viaduct and follow the D470 road (be careful of traffic). This will take you to the car park (S/E).


