Either
From A6 Motorway
Exit N°14 : "Ury - Malesherbes"
Turn right on N152 towards Orléans
Drive for 3 km to La Chapelle la Reine
Or
From Fontainebleau
At the "Obélisque round-about"
Take the N152 towards Orléans
Drive for 12 km to La Chapelle la Reine
Once in La Chapelle la Reine
At the second traffic light (on N152 driving towards Orléans)
Turn left (D16) towards "Nemours-Larchant"
Then take the second road on your left
Le Clos du Tertre stand N°6 of this "Chemin des Vallées"
By Train :
Saint-Pierre les Nemours Train Station : 12 km
Your hosts can possibly pick you up at this train station
Fontainebleau Train Station : 15 km
By Air :
Orly Airport : 60 km
Charles de Gaulle Airport : 100 km