Basic Information

The Washington, D.C. area has a four-season Mid-Atlantic climate. Summertime is warm and humid, while winter can be cold and snowy. Spring: During these months of transition, the weather can alternate from warm, humid air coming from the south to cold, dry air coming from the northwest. Be prepared for changing conditions. Summer: The warmest months are June, July, and August, with average highs in the 80s (~31 ?) combined with high humidity. Temperatures often climb into the 90s (~34?).

Entrance Fees:

Entrance fee - $0.00

There are no fees to the Baltimore Washington Parkway

Greenbelt Park Headquarters

There are no visitor centers along the Baltimore Washington Parkway. Greenbelt Park Headquarters is the location for the Baltimore Washington Parkway Maintenance Division The Baltimore Washington Parkway passport stamp is located at the Greenbelt Park Ranger Station located near the campground.

a picture of the U.S Park Police badge

Welcome to the Baltimore Washington Parkway.
We are located between Washington, D.C. and Fort Meade, Maryland.
We are the parkway that leads into Washington, D.C. from the North.

The United States Park Police patrol the Baltimore Washington Parkway.
Please call the United States Park Police at 301-344-4250 to report accidents, emergencies or report an incident.

Please obey the speed limit on the parkway. Studies have indicated that most accidents have occurred due to driver error. Please give your full time and attention to your driving.
Our goal is for you to arrive safely at your destination.

Last updated: March 4, 2016

Contact the Park

Mailing Address:

6565 Greenbelt Road
Greenbelt, MD 20770


(301) 344-3948

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