Parc naturel régional du Perche adminstration services are opened Mondays to Thrusdays from 9h to 17h30, and 9h to 17h on Fridays.
+33 (0)2 33 85 36 36

"La Maison du Parc" Tourism information reception center opens everyday (but 24th, 25th, 31ST of December, 1st of January and 6th of January in the afternon) from 10h30 to 18h (until 18h30 in July and August, until 17h30 in November and December, and until 17h de from January to March).
+33 (0)2 33 25 70 10