| Facilities: There are no facilities provided at Pierre Lake Trail #91. Reservations: Reservations are not needed or accepted for Pierre Lake Trail #91. Best Time To Visit: Pierre Lake Trail #91 is open spring, summer, and fall. Fees: No fees are charged. Accessibility: This trail is not handicap accessible. Rules: Do not litter. Directions: To reach Pierre Lake Trail #91 from Colville, start out going west on WA-20 toward North Main Street for less than 0.1 miles. Turn right onto North Main Street and continue to follow for 8.4 miles. From Kettle Falls, follow U.S. Highway 395 to Barstow. Turn right at Barstow and follow signs to Pierre Lake. | 
