| Irkut | |
| Mouth: | Angara |
| Mouth Coordinates: | 52.2907°N 104.2754°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Length: | 488km (303miles) |
| Basin Size: | 15000km2 |
The Irkut (Russian: Ирку́т; Buryat and Mongolian: Эрхүү гол, Erhüü gol) is a river in the Buryat Republic and Irkutsk Oblast of Russia. It is a left tributary of the Angara. It flows out of lake Ilchir which is situated 50 km away from the highest peak of the Eastern Sayan Mountains, Munku-Sardyk. The length of the river is 488km (303miles). The area of its basin is 15000km2. The Irkut freezes up in late October or mid-November and stays icebound until late April or early May. The city of Irkutsk is located at the mouth of the Irkut on the Angara.[1]