From the 401: Go north on Simcoe St through the town of Port Perry. You will go north of Hwy#7A, north of Queen St., to Reach Rd. Turn left at the lights at Reach Road. Proceed through a 4-way stop. The arena is on your right (north side of the road).
From North Toronto: Go east of Stouffville on Hwy #47. Take Port Perry exit (on your right) just before Uxbridge. Go east to Hwy#12 and turn left (north) to lights at Reach Rd. Turn right on Reach Rd (east) to arena, which will be on your left (north side of the road).