October – 6 AM to 7 PM
November through February – 6 AM to 5 PM
March – 6 AM to 7 PM
April through September – 6 AM to 8 PM
Timed entry reservations are required for entry from October 1 through May 31 between 8 a.m. and 5 p.m. Timed entry reservations can be made at https://www.recreation.gov/timed-entry/10075177.