Click on the map for a larger version. To get to Grand Valley from Toronto take highway 400 North to highway 9 and then follow highway 9 west past Orangeville where it becomes Dufferin County Rd. 109. Grand Valley is 20km west of Orangeville.
From Mississauga/Brampton take highway 410 (and later 10) north to Orangeville, and then Dufferin County Rd. 109 west to Grand Valley.
From Oakville/Burlington take Trafalgar Rd. due north until you get to Dufferin County Rd. 109. Then there is a slight westerly jog to the Grand Valley turn-off.