• Great Falls of the Potomac in summer

    Great Falls

    Park Virginia

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  • No Water in Visitor Center Courtyard

    Portable toilets are available next to the visitor center on the side nearest the river. Restrooms with running water are available near the lower parking lot. More »

Laws & Policies

Below is a summary of rules and regulations at Great Falls Park. Federal regulations that apply to all units of the National Park Service, including Great Falls, are found in the Code of Federal Regulations, Title 36, Chapter 1 (also called 36 CFR).

Park Regulations

  • No swimming, wading, or rock hopping.
  • Pets are allowed, but must be on a 6 foot leash at all times.
  • No alcohol is permitted in the park.
  • No wood fires.
  • Vehicles are permitted on paved roads only. No motorized vehicles are allowed on the trails.
  • Feeding wildlife and birds is prohibited.
  • Collecting anything within park boundaries, including wildflowers, animals, plants, rocks, artifacts, etc. is prohibited. Help protect your park by taking only pictures and leaving only footprints.

Did You Know?

Ice in the Potomac and Falls

Water temperatures in the Potomac can drop to freezing and ice will form along the banks. However, the water is moving too quickly through the Great Falls to completely freeze over.