What is a River and How is it Formed? Rivers are natural flowing watercourses, usually freshwater, that move toward an ocean, sea, lake, or another river. They’re formed through a combination of precipitation, gravity, erosion, and the landscape’s natural slope. How Rivers Form: • Rivers usually begin in highland or mountainous regions as small streams or springs. • Rainfall, melting snow, or groundwater accumulates and begins to flow downhill due to gravity. • As water flows, it erodes soil and

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