Rendezvous in front of the church of Saint-Germain. After discovering the particular history of the church, start a beautiful walk in the heart of the vineyard (5km) to discover the double life of the hillside. Here the basement holds many surprises, the houses, vineyard lodges, churches, castles are built with the very material of the hillside, the tufa stone. Over the centuries these underground quarries have housed a real "civilization", this trail invites you to explore the amazing testimonies illustrated on the panels unveiled along this marked path.