Once on the grassy path, turn left and go to Anisy. In Anisy, after the church, take the path on your right "le chemin de Colomby". Go up to the water tower and turn right.

https://www.cirkwi.com/en/point-interet/1499669-once-on-the-grassy-path-turn-left-and-go-to-anisy-in-anisy-after-the-church-take-the-path-on-your-right-le-chemin-de-colomby-go-up-to-the-water-tower-and-turn-right