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  2. River - Wikipedia

    en.wikipedia.org/wiki/River

    A river is a natural freshwater stream 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 before reaching the end of its course if it runs out of water, or only flow during certain seasons.

  3. Portal:Rivers - Wikipedia

    en.wikipedia.org/wiki/Portal:Rivers

    A river is a natural freshwater stream 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 before reaching the end of its course if it runs out of water, or only flow during certain seasons.

  4. Tributary - Wikipedia

    en.wikipedia.org/wiki/Tributary

    The Irtysh is a chief tributary of the Ob river and is also the longest tributary river in the world with a length of 4,248 km (2,640 mi). The Madeira River is the largest tributary river by volume in the world with an average discharge of 31,200 m 3 /s (1.1 million cu ft/s).

  5. River source - Wikipedia

    en.wikipedia.org/wiki/River_source

    A definition given by the state of Montana agrees, stating that a river source is never a confluence but is "in a location that is the farthest, along water miles, from where that river ends." [3] Under this definition, neither a lake (excepting lakes with no inflows) nor a confluence of tributaries can be a true river source, though both often ...

  6. Lists of rivers - Wikipedia

    en.wikipedia.org/wiki/Lists_of_rivers

    List of drainage basins by area (including rivers, lakes, and endorheic basins); List of largest unfragmented rivers; List of longest undammed rivers; List of river name etymologies

  7. River mouth - Wikipedia

    en.wikipedia.org/wiki/River_mouth

    River mouth of the Júcar, Cullera. A river mouth is where a river flows into a larger body of water, such as another river, a lake/reservoir, a bay/gulf, a sea, or an ocean. [1] At the river mouth, sediments are often deposited due to the slowing of the current, reducing the carrying capacity of the water. [1]

  8. List of rivers by age - Wikipedia

    en.wikipedia.org/wiki/List_of_rivers_by_age

    This river may predate the break-up of western Gondwana as an extension of a proto-Congo river system, 200 Mya during the Jurassic. Ohio: 3~2.5 Mississippi River: Formed when the Laurentide Ice Sheet dammed the north flowing Teays River during the Pre-Illinoian glaciation. The drainage area of the Teays could no longer drain to the north, and ...

  9. Colorado River - Wikipedia

    en.wikipedia.org/wiki/Colorado_River

    The Colorado River (Spanish: Río Colorado) is one of the principal rivers (along with the Rio Grande) in the Southwestern United States and in northern Mexico. The 1,450-mile-long (2,330 km) river, the 5th longest in the United States, drains an expansive, arid watershed that encompasses parts of seven U.S. states and two Mexican states.