The Washington Monument is open daily from 9:00 am to 5:00 pm, with the last tour beginning at 4:45 pm. The only days for scheduled closure are July 4th and December 25th.
The following items are restricted within the Monument:
No storage facility available.
No Animals (except certified guide dogs)
No Suitcases or Large Backpacks
No Guns or Knives
No Food or Drink
No Mace or Aerosol Cans
Please let the Rangers running the lines know if you have any medical conditions (i.e. pacemakers) that require special attention at the security screening facility.
The Monument is free, but does require a ticket. The ticket kiosk for the monument, located at the base of the monument on 15th street opens at 8:30 am to distribute free tickets on a first come first serve basis. One person may pick up to six tickets maximum. All individuals (including children must have a ticket). During the spring and summer, tickets traditionally go very quickly for the entire day. The line for tickets have started as early as 7:30 am, please plan accordingly.
If you care to reserve a ticket(s) in advance you may do so by going to either visiting the National Park Service ticketing website http://www.reservation.gov or by calling 1.877.444.6777, for group
National Mall in Washington, DC