Take A13 highway (Paris/Cherbourg).
Turn around Caen (expressway) and follow Cherbourg direction.
On Cherbourg expressway, exit at Tour en Bessin then after crossing tour en Bessin, take the 1st road on your right.
Follow Etréham direction then Russy when you are at Etréham.
When leaving Etréham, take the 1st road on your left, you are arrived.