River, (ultimately from Latin ripa, “bank”), any natural stream of water that flows in a channel with defined banks . Modern usage includes rivers that are multichanneled, intermittent, or ephemeral in flow and channels that are practically bankless.

Explore an interactive map of US rivers with real-time flow data from 605+ USGS gauge sites across 37 states. Find river conditions, fishing reports, and more.

Rivers in the National Wild and Scenic Rivers System capture the essence of all waterways that surge, ramble, gush, wander and weave through our country.

From the world’s longest waterways to our streams, brooks and underground springs, rivers flow all around our incredible planet. Learn all about them with our fascinating facts about rivers!

A river is a natural flowing watercourse, usually freshwater, that moves toward an ocean, sea, lake, or another river. Rivers originate from water sources such as springs, glaciers, or rainfall runoff.

A river is a large, natural stream of flowing water. Rivers are found on every continent and on nearly every kind of land.

The meaning of RIVER is a natural stream of water of usually considerable volume. How to use river in a sentence.

What is a river? A river forms from water moving from a higher elevation to a lower elevation, all due to gravity. When rain falls on the land, it either seeps into the ground or becomes runoff, which flows downhill into rivers and lakes, on its journey towards the seas.