Park free. Boat tours $10-$12; $5-$6 (ages 6-12). Kayak class $50. Phone ahead for age restrictions and to confirm rates.
Trails open daily 7 a.m.-1 hour after dusk. Visitor center daily 8-5. Firing range open Tues.-Sun. 8 a.m.-30 minutes before dusk; visitor center and firing range closed Thanksgiving and Christmas.