1h30 from Paris by motorway ...
From Paris, take the A5 to Troyes.
Exit 19, Villeneuve-l'Archevêque, Aix-en-Othe, Romilly St. Florentin.
At the toll exit, turn left towards Vulaines.
Make 1 km and turn right towards Saint-Florentin (D54 and D30).
In Chailley, turn left onto the D112 direction Neuvy-Sautour.
Once Boulay, follow the direction of Turny (D129) and first left portal ... That's it, you've arrived!
At 40 km from Auxerre ...
Since Auxerre, take the N77 towards Troyes.
A-Neuvy Sautour, take the D112 for 2 km towards Chailley up Boulay.
At 42 km from Troyes ...
From the city of Troyes, follow the N77 towards Auxerre up Neuvy-Sautour.
Then take the D112 for 2 km towards Chailley up Boulay.