| Facilities: Harriman State Park provides restrooms. Best Time To Visit: Harriman State Park opens at 7:00am and closes at sunset. Fees: A day pass fee is charged. Accessibility: The park is handicap accessible, however; there are select buildings that do not provide handicap access. Rules: Unknown Directions: To reach Harriman State Park from St. Anthony, start out going west on east Main Street toward north Bridge Street for 0.1 miles. Turn left onto south Bridge Street. Continue to follow south Bridge Street for 0.2 miles. Merge onto US-20 east via the ramp on the left for 32.3 miles. Turn left onto Green Canyon Road for 0.9 miles to Island Park. Map: Click here for a map to Harriman State Park Reservations: Harriman State Park accepts reservations. Reserve your campsite at Harriman State Park | 
