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  2. List of river systems by length - Wikipedia

    en.wikipedia.org/wiki/List_of_river_systems_by...

    In particular, there seems to exist disagreement as to whether the Nile [3] or the Amazon [4] is the world's longest river. The Nile has traditionally been considered longer, but in 2007 and 2008 some scientists claimed that the Amazon is longer [5] [6] [7] by measuring the river plus the adjacent Pará estuary and the longest connecting tidal ...

  3. List of longest undammed rivers - Wikipedia

    en.wikipedia.org/.../List_of_longest_undammed_rivers

    Second-longest and largest river in the world, undammed as well as unbridged, does not form a delta while joining the sea due to adequate thrust of river water to overcome the sea water wave and tidal thrusts. 1 Lena River: 4,472 km (2,779 mi) 2,500,000 km 2 (970,000 sq mi) 17,000 m 3 /s (600,000 cu ft/s) Arctic Ocean: Longest undammed river in ...

  4. Lists of rivers - Wikipedia

    en.wikipedia.org/wiki/Lists_of_rivers

    List of largest unfragmented rivers; List of longest undammed rivers; List of river name etymologies; List of rivers by age; List of rivers by discharge; List of rivers by length; List of rivers of Central America and the Caribbean; List of rivers of the Americas; List of rivers of the Americas by coastline; List of river films and television ...

  5. What’s the world’s longest river? New expedition aims to ...

    www.aol.com/world-longest-river-expedition-aims...

    The Nile in Africa is officially recognized as the world’s longest river, but now a new expedition is heading to South America with the aim of exploring a tributary of the Amazon which may lead ...

  6. List of longest rivers of Asia - Wikipedia

    en.wikipedia.org/wiki/List_of_longest_rivers_of_Asia

    This is a list of longest rivers of Asia. Included are all rivers with lengths over 1,000 km (620 mi) that are in Asia. River Countries Length km mi 1

  7. 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 ...

  8. List of longest rivers of the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_longest_rivers_of...

    The longest rivers of the United States include 38 that have main stems of at least 500 miles (800 km) long. The main stem is "the primary downstream segment of a river, as contrasted to its tributaries". [ 1 ]

  9. List of longest rivers of the United States by state

    en.wikipedia.org/wiki/List_of_longest_rivers_of...

    The Wisconsin River is the longest river that is entirely within Wisconsin, though its source is a lake that is partially in the Upper Peninsula of Michigan. See also List of rivers of Wisconsin . Wyoming