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The Onyx River is both the largest and longest river in Antarctica. It is 30 kilometers in length.

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It is a seasonal runoff river. From its Wikipedia entry:

"The Onyx River is an Antarctic melt-water stream which flows westward through the Wright Valley from Wright Lower Glacier and Lake Brownworth at the foot of the glacier to Lake Vanda, during the few months of the Antarctic summer."

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Adolf Rohan

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3y ago

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