A loop that will take you to Louvergny and the source of the Bairon stream, which has given its name to the site since the Middle Ages.
Follow the yellow walking markers.
1/ Take the road that climbs towards Sauville. Before the top of the hill, turn left onto the ridge path. At the small wood, turn left, pass in front of the water tower, and descend to the farm of Derrière-le-Terme.
2/ At the farm, turn right and then immediately left onto the descending road. At the fork after the houses, continue on the main road to the left.
3/ On the small road, at the Croix de Touly, continue straight ahead while keeping to your right towards the Croix Jean Maurice. Cross a bridge and enter the village of Louvergny.
4/ Upon reaching the church of Louvergny, continue left to cross the village and exit.
5/ Before the farm, take the left path between the pastures. Cross the first stream on the footbridge and immediately continue to the right, in front of the small house. The path runs along the old pond to the dam that leads back to the parking lot.