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Parking & Directions
The Zoo is free, but Entry Passes are required for all guests, including infants.
The Smithsonian's National Zoo and Conservation Biology Institute is located in the heart of northwest Washington, D.C. and spans 163 acres. There are two pedestrian entrances and one vehicular entrance.
Entrances
- 3001 Connecticut Ave. NW (Vehicles and Pedestrians)
- Harvard Street Bridge (Pedestrians Only)
Vehicles may not enter the Zoo via Beach Drive. However, vehicles may exit the Zoo via Beach Drive southbound starting at 2:30 p.m. daily. Please note that northbound access to Beach Drive is not permitted.
Buses are not permitted to unload or load inside the Zoo unless they have a parking reservation. See the Bus Parking Reservation Request Form for more information.
‘Zoo Loop’ in Rock Creek Park
A ½ mile section of paved recreational trail in Rock Creek Park known as the ‘Zoo Loop’ extends along the southeast edge of the Smithsonian’s National Zoo property near the Duke Ellington Bridge.
Please note: the Zoo Loop is open from 7 a.m. to 5 p.m. during the spring and summer, and from 8 a.m. to 4 p.m. during fall and winter. Details are posted at signs located at both entrances of the loop. The Zoo Loop may be closed without advance notice in the event of an emergency, inclement weather or as determined by Zoo management.

Walk, Bike or Taxi
Requires FREE Daily Entry Pass
The Smithsonian's National Zoo is located in the heart of Washington, D.C. Two entrances are currently open to pedestrians: the main entrance at 3001 Connecticut Ave, NW, and the Harvard Street Bridge entrance.
Helpful Tips
- The Rock Creek Park bike path through the Zoo is open 7 a.m. to 5 p.m. There is no admittance to the Zoo from this bike path.
- Bike racks are located near the Visitor Center and at Lion-Tiger Hill. Check out the Zoo map.
- Capital Bikeshare has several stations for rental bikes near the Zoo. Check their website for locations and availability of rentals.

Public Transportation
Requires FREE Daily Entry Pass
Both Metro Bus and Metro Rail have stops within walking distance of the Zoo's main pedestrian entrance at 3001 Connecticut Ave., NW.
Helpful Tips
- The Washington Metropolitan Area Transit Authority (WMATA) Trip Planner is a great tool to use.
- While equidistant from both Metro stops, the walk is uphill from the Woodley Park stop and flat from the Cleveland Park stop.
- Always check the WMATA website for route changes, delays, and escalator or elevator outages.
- The L1 and L2 buses stop in front of the Zoo's main entrance on Connecticut Avenue.

Driving and Parking
If you plan to drive and park at the Zoo, you must reserve a Paid Parking Pass online before your visit. Parking is available for a flat rate of $30, and spaces are extremely limited. All cars must enter through the main vehicle entrance at 3001 Connecticut Ave, NW
Helpful Tips
- Vehicle must fit in standard parking space
- Members: Log in to access you Free Parking Pass(es)*
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For information about buses and group reservations, see the Group Reservation page.