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 »
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 »
Natural Features & Ecosystems
Great Falls Park is located in an area of change. The Potomac River drops 77 feet in less than a mile here on its journey to the Chesapeake Bay.
On these pages, you can learn more about the Potomac Gorge and the Falls.
The Potomac Gorge- a downloadable brochure with information on the ecosystems of the Gorge.
Did You Know?
Rapid snow melts and heavy rains have caused floods at Great Falls Park. Floods have helped to create the unique natural environment in the park. They are one of the reasons why several rare plant communities exist here.