From Paris A13:
Exit 13 Mantes West
Direction BREVAL (D110)
Go through Jouy-Mauvoisin and continue D110 (Route de Perdreauville)
over 1.5 kilometers
At the entrance of PERDREAUVILLE on the retarder plateau.
Turn right onto Rue Saint-Martin and continue for 350 meters
From Rouen A13:
Exit 12 MANTES SUD
Turn left after the traffic light at the exit (bld Roger Salendro)
at the next traffic light turn right on rue de l'Ouest
Direction A13 / BREVAL (D110)
after a roundabout (2nd exit)
at the second traffic light turn left
Go through Jouy-Mauvoisin and continue D110 (Route de Perdreauville)
over 1.5 kilometers
At the entrance of PERDREAUVILLE on the retarder plateau.
Turn right onto Rue Saint-Martin and continue for 350 meters
Otherwise the GPS is reliable within 5 meters (car GPS or phone GPS)