The Bukhtarma (Kazakh: Бұқтырма, romanized: Būqtyrma, بۇقتىرما, pronounced [bʊqtəɾˈmɑ]; Russian: Бухтарма, romanizedBukhtarma) is a river of Kazakhstan. It flows through East Kazakhstan Region, and is a right tributary of the Irtysh. The river is 336 kilometres (209 mi) long, with a basin area of 12,660 square kilometres (4,890 sq mi).[1] The source of the river is in the Southern Altai Mountains. The average water flow rate is 214 cubic metres per second (7,600 cu ft/s).

The Bukhtarma in East-Kazakhstan Region
Physical characteristics
 • coordinates
49°44′26″N 83°59′25″E / 49.7406°N 83.9903°E / 49.7406; 83.9903
Length336 km (209 mi)
Basin size12,660 km2 (4,890 sq mi)
Basin features
ProgressionIrtyshObKara Sea

The Bukhtarma Dam is on the Irtysh a few kilometers downstream from the mouth of Bukhtarma. The lower course of the Bukhtarma has thus become of bay of the reservoir produced by the dam.