| Katun | |||||||||||
| Name Etymology: | "woman", Altay language | ||||||||||
| Subdivision Type1: | Country | ||||||||||
| Subdivision Name1: | Russia | ||||||||||
| Subdivision Type3: | Region | ||||||||||
| Subdivision Name3: | Altai Republic, Altai Krai | ||||||||||
| Length: | 688km (428miles) | ||||||||||
| Discharge1 Location: | Srostki, 58km (36miles) from the mouth[1] | ||||||||||
| Discharge1 Min: | 16m3/s | ||||||||||
| Discharge1 Avg: | 617m3/s[2] | ||||||||||
| Discharge1 Max: | 2930m3/s | ||||||||||
| Source1: | Katun Glacier | ||||||||||
| Source1 Location: | Belukha Mountain, Altai Republic | ||||||||||
| Source1 Coordinates: | 49.7635°N 86.564°W | ||||||||||
| Source1 Elevation: | 2300m (7,500feet) | ||||||||||
| Mouth: | Ob | ||||||||||
| Mouth Location: | Confluence with Biya, near Biysk, Altai Krai | ||||||||||
| Mouth Coordinates: | 52.4317°N 85.0239°W | ||||||||||
| Mouth Elevation: | 195m (640feet) | ||||||||||
| Basin Size: | 60900km2 | ||||||||||
| Tributaries Left: | Koksa, Ursul, Kamenka | ||||||||||
| Tributaries Right: | Kucherla, Argut, Chuya, Isha | ||||||||||
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The Katun (Katuń;, Kadın) is a river in the Altai Republic and the Altai Krai of Russia. It forms the Ob as it joins the Biya some 19km (12miles) southwest of Biysk.[3] The Katun is 688km (428miles) long, and its drainage basin covers 60900km2.[4] It originates in the Katun glaciers on the southwestern slope of Belukha Mountain. The river freezes up in late November or early December and breaks up in early or mid-April. The main tributaries of the Katun are, from source to mouth: Koksa (left), Kucherla (right), Argut (right), Chuya (right), Ursul (left), Sema (left) and Isha (right). The river is navigable. In its upper reach of the Katun flows down the distant and sparsely populated area, but a few kilometers downstream near the village Kuyus, the coastal population density grows steadily and the area downstream of the village Ust-Sema is the most populated. There are numerous buildings, holiday camps and various guest houses in the pine forest near the village. The main settlements along the Katun are, from source to mouth: Ust-Koksa, Katanda, Inya, Chemal, Manzherok, Souzga, Aya, Mayma, Srostki and Verkh-Katunskoye.