The park's Visitor Center is open 8:30 a.m. to 5:00 p.m. seven days a week. The grounds at Mound City Group are open from dawn to dusk. There is no overnight camping allowed at any of the Hopewell Culture NHP sites.
The Visitor Center is closed January 1st, Thanksgiving Day, and December 25th but the grounds are always open from dawn to dusk.
Park grounds at the Mound City Group, Hopeton Earthworks, Hopewell Mound Group, and Seip Earthworks units are always open from dawn to dusk.
Currently, Seip Earthworks has limited visitor facilities consisting of a covered picnic shelter and portable restroom units which are located near the old Seip farmhouse at the end of the paved limited-access road. Parking is available at the front of the grounds only, immediately off of U.S. Route 50. The road that extends to the old Seip farmhouse is gated and not available for public access. There are interpretive signs and mowed-grass trails throughout the grounds.
Hopewell Mound Group
Hopewell Mound Group has public restrooms, a covered picnic shelter, mowed-grass trails and 2.5 miles of interpretive trails. The parking lot has ample spots for cars and larger vehicles.
High Bank Works & Spruce Hill Works
High Bank Works is closed to the public.
Spruce Hill Works is open on a limited basis. You must visit the Mound City Group visitor center to obtain a parking pass and an access code to enter the gated parking area. You may also contact the Arc of Appalachia Preserve System to request access and obtain a parking permit as well.