The Potomac River Guide has details on more than 800 historic and recreation sites along the Nation's River. To start exploring, visit our interactive maps or browse the sites.
Interactive Maps
The Lower Potomac
The Potomac Estuary
Mount Vernon to the Anacostia River
Mall Area
Georgetown to Great Falls
Potomac Piedmont
Upper Potomac
The North Branch
Boat Ramps
Monitoring Sites
Bridges and Ferries
Cruises and Charters
Search Potomac Sites
POTOMAC RIVERWATCH: Spring 2026
- Potomac Named "Most Endangered River"
- Data Center Water Use: A Threat
- Drought Levels Return
- New Boathouse for Arlington
C&O Canal and Potomac River at Cabin John were inundated with raw sewage in mid-January. Photo by Cliff Owen, Associated Press.
Explore Our Other River Guides
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What's New--Spring 2026
| Our new monitoring map tracks river levels at 55 Potomac River gages in MD, VA, WV, and DC with data from USGS and predictions from NOAA. |  |
| Google reviews are now included for hundreds of boat ramps, camp sites, marinas, parks, and other Potomac places. |  |