Around Saint-Martin-du-Tertre and Courtois-sur-Yonne

Depart from the town of Sens, latitude 48.1999900 (N 48° 11’ 60”), longitude 3.2827500 (E 3° 16’ 58”)

• Departure: Tourist Office
• Saint-Arthème Church

• It is attested as early as the 12th century.

• Old lighthouse

• Aerial beacon that allowed planes to find their way at night.

• Church of Saint-Martin-du-Tertre

• Rebuilt in the 18th century, the church has a vaulted wooden nave and a square tower. A Merovingian necropolis was discovered around the church. It overlooks the location of the ford that once allowed to cross the Yonne between Sainte-Colombe and Saint-Martin: it was used by Joan of Arc.