Dubches

a river in Krasnoiarsk Krai, RSFSR, a left tributary of the Enisei River. The upper Dubches is known as the Bol’shoi Dubches. Length, 433 km; basin area, 15,300 sq km. The river originates in a small swamp and flows through the Western Siberian Plain. Snow is its predominant source of water. Its right tributaries are the Bol’shoi Togul’ches (Teul’ches) and the Toches.