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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. Amazon River - Wikipedia

    en.wikipedia.org/wiki/Amazon_River

    The Amazon River (UK: / ˈ æ m ə z ən /, US: / ˈ æ m ə z ɒ n /; Spanish: Río Amazonas, Portuguese: Rio Amazonas) in South America is the largest river by discharge volume of water in the world, and the longest or second-longest river system in the world, a title which is disputed with the Nile. [3] [19] [n 2]

  4. Kazumura Cave - Wikipedia

    en.wikipedia.org/wiki/Kazumura_Cave

    Kazumura Cave is a lava tube and has been surveyed at 40.7 miles (65.5 km) long and 3,614 feet (1,102 m) deep making it the longest and deepest lava tube in the world. [note 1] [2] [3] The cave is located on the island of Hawaiʻi on the eastern slope of Kīlauea. Kīlauea is the most recently active volcano on the Big Island.

  5. Brower's Spring - Wikipedia

    en.wikipedia.org/wiki/Brower's_Spring

    A probable location for Brower's Spring in Montana. Brower's Spring is a spring in the Centennial Mountains of Beaverhead County, Montana that was identified by surveyor Jacob V. Brower in 1888 as the ultimate headwaters of the Missouri River and thus of the fourth-longest river system in the world, the 3,902-mile-long (6,280 km) Mississippi–Missouri River.

  6. Nile - Wikipedia

    en.wikipedia.org/wiki/Nile

    The Nile is the longest river in Africa. It has historically been considered the longest river in the world, [3] [4] though this has been contested by research suggesting that the Amazon River is slightly longer. [5] [6] Of the world's major rivers, the Nile is one of the smallest, as measured by annual flow in cubic metres of water. [7]

  7. List of longest undammed rivers - Wikipedia

    en.wikipedia.org/wiki/List_of_longest_undammed...

    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 ...

  8. List of rivers by discharge - Wikipedia

    en.wikipedia.org/wiki/List_of_rivers_by_discharge

    No Continent River Average discharge (m 3 /s) Length Drainage area (km 2) Outflow Type (km) (miles) 1 South America: Amazon: 224,000 6,992 4,344 6,915,000 Atlantic Ocean

  9. Apurímac River - Wikipedia

    en.wikipedia.org/wiki/Apurímac_River

    Apurímac River. The Apurímac River (Quechua: Apurimaq mayu IPA: [ˈapʊ ˈɾɪmaχ ˈmajʊ]; Spanish: río Apurímac, IPA: [ˈri.o apuˈɾimak]; from Quechua apu 'chief' and rimaq 'the one who speaks, oracle', thus 'the chief oracle') rises from glacial meltwater of the ridge of the Mismi, a 5,597-metre-high (18,363 ft) mountain in the Arequipa Province in the south-western mountain ranges ...