Vasyugan (Russian: Васюга́н) is a river in the southern West Siberian Plain of Russia. It is a tributary of the Ob River on the left side, and its course from its source in the Vasyugan Swamp is entirely within the Kargasok district of Tomsk Oblast.
Length - 1,082 km, navigable for a distance of 886 km from the mouth, basin area 61,800 km². Average annual runoff: 345 m³ / c, 10.9 km³ / year.
Tributaries:
Municipalities (downstream from source): pp. New Vasyugan, d. Aypolovo, pp. New Tevriz, pp. Srednii Vasyugan, pp. Old Berezovka, pp. Ust-Chizhapka, pp. Naunak, pp. Most mane, pp. Staro Yugino, pp. Novo Yugino, pp. Bondarko.