• Great Falls of the Potomac in summer

    Great Falls

    Park Virginia

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  • Trash Free Park

    Great Falls Park is now a trash free park. Trash cans have been removed. Please come prepared to carry your trash out with you. More »

  • River Safety

    Learn more about how to stay safe around the Potomac. The Potomac has dangerous currents and going into the river is not permitted. Swimming and wading could cost you your life. Stay safe. Stay out of the river. More »

  • No Water in Visitor Center Courtyard

    Due to plumbing problems, there are no bathrooms available in the Visitor Center (VC) courtyard. There are portajohns behind the Snackbar for public use. *Please note: Restrooms near the lower parking lot are fully operational.

  • Weekend and Holiday Delays for Entry

    Saturdays, Sundays, and holidays when there is a good weather forecast, expect delays of up to an hour from Noon to 4pm when entering the park.


Weather in Great Falls Park is typical for the mid-Atlantic. There are four seasons, with no extremes in temperature. Summers can be hot and humid, so be sure to bring water with you. The average temperature in summer is approximately 75 degrees F. Summer days in the mid-90's with high humidity are not uncommon. Winters can vary in temperature, with the average temperature for Virginia at approximately 36 degrees F. Snow is fairly rare. When it does snow, it tends to melt within a few days.

River temperatures vary throughout the year. Temperatures range from near freezing to over 70 degrees in the summer months. Due to rapids, rocks, and hazardous currents, swimming and wading are prohibited at all times.

Did You Know?

George Washington Memorial Parkway from the air

Great Falls Park is just one of the sites on the George Washington Memorial Parkway. There are many chances to explore history and nature along the Parkway. More...