Top 10 Largest Rivers in the World by Volume

8.Lena

Volume: 16,871 m³/sec – 595,794 cu ft/s

Length:4,472 km /2,647 miles

Discharges to: Laptev Sea

Lena is the largest river whose entire watershed is completely inside Russia. Originating in Baikal Mountains, near the Mongolian border, Lena flows 2,647 miles north until it discharges into the Arctic Ocean.