Sentier des Collines, between old mills and tree nurseries.
On this 14 km trail, you'll discover old mills, the Brossardière chapel, the river and a picnic stop at the miners' chapel near the Carrières de Cheffois.
Starting point: Place de l'église, La Tardière (Terval)
Signposts: yellow - anticlockwise
Elevation gain: 233 m