Vilyuy River
River in Russia
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The Vilyuy is a river in Russia, the longest tributary of the Lena. About 2,650 kilometres long, it flows mostly within the Sakha Republic. Its basin covers about 454,000 square kilometres. Wikipedia
Length: 1,647 mi
Source: Central Siberian Plateau
Mouth: Lena River
Basin size: 454,000 km2 (175,000 sq mi)