$15; $7 (ages 5-15). Prices may be reduced when trails are inaccessible.
Ticket plaza open daily 8:30-5:30, mid-Mar. to late Nov.; daily 10-4:30 (weather permitting), Jan. 1 and Dec. 26-31; Fri.-Tues. 10-4:30, rest of year. Park remains open for 1 hour, 30 minutes after ticket plaza closes. Closed Thanksgiving and Christmas. Allow 2 hours minimum.