From Toronto,

Take the QEW to Hwy 403 toward Hamilton.
Take the Main Street WEST exit.
Turn left onto Main Street at the lights.
Continue along Main Street past McMaster University/Hospital to Rifle Range Road on the left (immediately past Fortinos)
Follow Rifle Range Road a short distance to St. Mary's Catholic High School on the left (right behind Fortinos)

From the North  (401):
Take Hwy 6 South (toward Hamilton)  to Hwy 403.
Take 403 West toward Hamilton
Take the Main Street WEST exit.
Turn left onto Main Street at the lights.
Continue along Main Street past McMaster University/Hospital to Rifle Range Road on the left (immediately past Fortinos)
Follow Rifle Range Road a short distance to St. Mary's Catholic High School on the left (right behind Fortinos)

From the West:

Take Hwy 403 toward toward Toronto
Take Aberdeen Road exit (Hamilton) and turn left at first set of lights (just over railroad tracks)
Turn Left again onto Main Street
Continue along Main Street past McMaster University/Hospital to Rifle Range Road on the left (immediately past Fortinos)
Follow Rifle Range Road a short distance to St. Mary's Catholic High School on the left (right behind Fortinos)