EVENT | Sep 9 - 12, 2021 Fall Installation Rally - Lewis and Clark State Park, Williston 9 - 12 Sep Lewis and Clark State Park 4904 119th Rd NW Williston, ND, 58801 | Get Directions For campsite Reservations, call 1-800-807-4723 Or visit their website: www.travel.parkrecnd.com Event Contact Share Event