Chizhapka

a river in Tomsk Oblast, RSFSR; a right tributary of the Vasiugan of the Ob’ River basin. The Chizhapka is 511 km long and drains an area of 13,800 sq km. It flows through the Vasiugan’e region. The river is fed primarily by snow; high water occurs between May and July. The mean flow rate 24 km from the mouth is 85.5 cu m per sec. The Chizhapka freezes over in late October or early November, and the ice breaks up in late April or in May. The river is used for timber flotation. The Chizhapka is navigable for a distance of 108 km from its mouth.