From Paris
A13, A12 then N12
Stay on N12 until Verneuil-sur-Avre stoplight ( do not enter Verneuil), turn left, direction La Ferté Vidame.
After 700 m at the level of "le Trou Normand" restaurant, go straight on D941 direction La Ferte Vidame for 6.1 km ( do not take direction Brezolles).
Turn right on D317.5 direction La Chapelle Fortin for another 1 km.
After the first crossroads ( D317.5 and D317), Les Evis is 50m later on the right.

GPS
Latitude 48'38'59.39'N / Longitude 0'53'49.14 E

SNCF
Paris Montparnasse - Verneuil sur Avre
http://www.voyages-sncf.com