To reach La Posadaz :
After the high way A43 exit (Exit n°12, Lac d'Aiguebelette), turn two right at the two round about, to drive to Novalaise.Reach Novalaise and go through the village and continue in direction to Yenne .
After 2 km turn right to Marcieux. Reach the town hall ("Mairie") and continue 400 meters more .The Guest house is on the right . Entry is just after a curve on your right.