Road map: http://www.mtq.gouv.qc.ca/carte_routiere/index.htm

From Montréal :
take Highway 40 East, direction Trois-Rivières

• Take Exit 144 Berthierville, Saint-Gabriel of Brandon, turn right
• Follow road 158 on 2 km
• Take road 347 Saint-Gabriel direction of Brandon (27 km)
• At Saint-Gabriel, take the Mandeville direction (348 East)
  (named Saint-Charles de Mandeville in the past) 
• At the convenience store "Le Rendez-Vous", turn right 
• At Saint-Charles de Mandeville, turn left at the post office 
  direction "Mastigouche Wildlife Reservation" 
• Drive approximately 7 kilometers.
• On your right, you will see a convenience store "La Reine des Fruits et Légumes" 
• Continue and tunr right at CHEMIN DU PARC towards "RÉSERVE FAUNIQUE MASTIGOUCHE" 
  up to the chemin desCascades on the left.
• Pass by the small brook, it is the first log cottage on your left on the hill.
  
• In winter, I advise you to continue approximately 500 feet in order to be able to go up front the hill