• 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 »

Post Office

Post Office Locations:

Great Falls:

  • 10001 Georgetown Pike

    Great Falls, VA 20166

McLean:

  • 1544 Spring Hill Rd.

    McLean, VA 22102
  • 6841 Elm Street

    McLean, VA 22101

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.