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  1. Rock’N River Water Park - City of Round Rock

    Must be 48” or taller and anyone under age of 16 must pass a swim test to participate in the following: Swim tests will take place in the Quarry. Our Lifeguards will be happy to administer …

  2. River - Wikipedia

    A river is a natural stream of fresh water that flows on land or inside caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry …

  3. River | Definition, Examples, Importance, & Facts | Britannica

    Dec 29, 2025 · 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, …

  4. River - Definition, Formation, Facts

    Apr 22, 2025 · 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, …

  5. Understanding Rivers - National Geographic Society

    Nov 7, 2025 · A river is a large, natural stream of flowing water. Rivers are found on every continent and on nearly every kind of land.

  6. Rivers - National Geographic

    Rivers carve shipping routes around the globe, and provide us with food, recreation, and energy. Hydroelectric plants built from bank to bank harness the power of water and convert it to...

  7. River - Simple English Wikipedia, the free encyclopedia

    A river is a stream of water that flows through a channel on the surface of the ground. The passage where the river flows is called the riverbed and the earth on each side is called a …

  8. River - Water, Ecosystems, Navigation | Britannica

    Dec 29, 2025 · River - Water, Ecosystems, Navigation: The inner valleys of some great alluvial rivers contain the sites of ancestral permanent settlements, including pioneer cities.

  9. River - National Geographic Society

    Oct 19, 2023 · A river is a ribbon-like body of water that flows downhill from the force of gravity. A river can be wide and deep, or shallow enough for a person to wade across. A flowing body of …

  10. Ohio River - Wikipedia

    Where the river was narrow, it was crossed by thousands of slaves escaping to the North for freedom; many were helped by free blacks and whites of the Underground Railroad resistance …