Thing to Do

Take a Tour of the Old Post Office Tower

Old Post Office Tower

OLD POST OFFICE IS CURRENTLY CLOSED. The National Park Service provides interpretive programming within the Old Post Office Tower under an agreement with the building's owner, the General Services Administration.

Service animals are permitted without exception. 

Entrance fees may apply, see Fees & Passes information.

12th St NW, Washington, DC 20004

OLD POST OFFICE IS CURRENTLY CLOSED. Hours of Operation: 9 am - 5 pm (Last entry is at 4:30 pm),Thursday through Sunday (except Thanksgiving and Christmas). 

Accessibility Information

Service Animals

Service animals are allowed in national parks. For a definition of a service animal, please see the Americans with Disability Act (ADA) definition.


The Old Post Office Tower Pavillion is wheelchair accessible. 


Assistive listening devices, or large print brochures may be available by request or with advance notice. For information about individual park programs, please visit park websites. Accessibility information is located under the Plan Your Visit tab.

National Mall and Memorial Parks

Old Post Office Exterior.
Exterior of the Old Post Office Building.


The Old Post Office Tower is located at the intersection of 12th Street and Pennsylvania Ave N.W. The 270-foot observation deck allows visitors an awe-inspiring view of the city.

Self-Guided Tours begin approximately every five minutes from the elevator lobby on the stage level of the Old Post Office Pavilion. Visitors board the glass elevator to the exhibit area and then follow the signs to gain access to the 270-foot level.
U.S. Post Office Department, Washington, D.C., courtesy of the Historic American Buildings Survey
Historic American Buildings Survey

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    Georgetown Waterfront Park stretches along the banks of the Potomac River from 31st Street NW to the Key Bridge.

  • Exterior day view of the Old Post Office building.

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    Find a new perspective at the top of the Old Post Office Tower.

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Last updated: November 15, 2021