Directions: From the Friday Harbor courthouse, take Guard Street out of town. Guard Street becomes Beaverton Valley Rd, which becomes West Valley Rd. At approximately 4.9 miles out of Friday Harbor, turn left and look for Mount Grant parking. Turn left and drive ahead to parking, before the closed gate.
Mount Grant Preserve is open daily to hikers. Driving access to the summit is open Sundays, weather permitting, from 10am to 7pm (April–September) and 10am to 4pm (October-March).