Dec 29, 2025 · At various intervals of history, rivers have provided the easiest, and in many areas the only, means of entry and circulation for explorers, traders, conquerors, and settlers.

The Mississippi drainage basin includes the Missouri and the Mississippi rivers, the two longest main-stem rivers in the United States, as well as 18 more of the rivers on this list. The Mississippi main …

Rivers are also the lifeblood of human civilizations. They supply water to cities, farms, and factories. Rivers carve shipping routes around the globe, and provide us with food, recreation, and...

Select a state from the map to access real-time data Current data typically are recorded at 15- to 60-minute intervals, stored onsite, and then transmitted to USGS offices every 1 to 4 hours, depending …

Dec 18, 2025 · Geophysics expert Da Yang examines how researchers study the physical properties of these “rivers in the sky” to improve forecasts and reduce risks.

States on the map depicted with diagonal lines do not have a designated wild and scenic river. However, every state has rivers that have been found to be potential additions to the National System, and …

2 days ago · Colorado River Basin The Colorado River is a critical resource in the West. Seven U.S. states—Arizona, California, Colorado, Nevada, New Mexico, Utah, and Wyoming—and Mexico.

While most sources state that it is the second-longest river in the world, experts have debated where the river truly begins, and some claim it is longer than the Nile and therefore the world’s longest river.

Explore detailed maps of U.S. rivers and waterways, highlighting major river systems and their geographic importance across the country. Discover more today!

Dec 17, 2025 · The Neuse River Greenway Trail is 27.5 miles of paved trail with diverse features. The trail offers scenic views of the Neuse River, winding boardwalk areas through wetlands, historical …