Departure: parking of the multipurpose room in Chalmessin - Signposting: green and yellow - Duration on foot: 4h - Duration mountain bike: 2h - medium level - From the parking of the multipurpose room, turn right towards the village center. At the washhouse, turn left and take the small road that climbs to the church and after the rocks, continue on the same asphalt road to the right. A little further, the path takes you across the fields to the woods of Saint-Laurent. Continue straight ahead until crossing with the GR7
Grancey Castle