Bowman's Hill Tower, Durham Boat House, McConkey's Ferry Inn, Thompson-Neely Farmstead and Visitor Center (includes orientation film) $11; $6 (ages 4-11); free (active military with ID). Durham Boat House or McConkey's Ferry Inn only, $6 each site. Visitor center only, free.
Daily 10-5 (weather permitting). Closed some holidays. Phone ahead to confirm schedule.