Discovery of two villages in the forest of Fontainebleau: Larchant and Villiers sous grez. A questionnaire will be proposed in order to discover the unusual places of these villages and exercise your sagacity. The route is about 15 km long, it is possible to do it by bike by taking small roads or on foot via the forest roads. Plan a picnic. Lots of prizes will be handed out at the end of the rally.