From Blois : direction Tours - Amboise - Chaumont-sur-Loire - Onzain.
Follow the river Loire on the right side (north) by the D952, drive about 15km until the bridge of Chaumont, at the "rond point " turn on the right towards Onzain, drive under the sncf bridge (train) and immediatly turn on the right in a little road : you are "Chemin du gravier", after 300m you find my house (style 1920), number 28 on your left, with very high green firs, the garden is open.
You can also use the other side of the Loire and cross the bridge of Chaumont