OPEN Daily 6am to 6pm Last entrance to hike the trail is at 4:30pm Small entry fee. CASH ONLY. Tip: Go in the early morning or late afternoon if you want to avoid potential crowds. Check out our diary post from April 2013 here
Hours Grounds: 6 a.m.- 8 p.m. (last admittance 7 p.m.) Visitor Center: 9 a.m.- 5 p.m. Exhibit Buildings: 10 a.m.- 6 p.m. Concessions: 9 a.m.- 5 p.m. Shops: 9 a.m.- 5 p.m. Note: Winter hours begin in November.