| Kochechum | |
|---|---|
 Map in Russian of the Nizhnyaya Tunguska basin with Kochechum river joining it from the north near locality Tura. | |
| Native name | Кочечум (Russian) |
| Location | |
| Country | Russia |
| Federal subject | Krasnoyarsk Krai |
| City | Tura |
| Physical characteristics | |
| Source | |
| • location | Central Siberian Plateau |
| Mouth | Nizhnyaya Tunguska |
• elevation | 125 m (410 ft) |
| Length | 733 km (455 mi) |
| Basin size | 96,400 km2 (37,200 sq mi) |
| Discharge | |
| • location | mouth |
| • average | 600 m3/s (21,000 cu ft/s) |
| Basin features | |
| Progression | Nizhnyaya Tunguska→ Yenisey→ Kara Sea |
The Kochechum (Russian: Кочечум) is a river in Siberia, Russia. It flows through the Syverma Plateau in Krasnoyarsk Krai. It is a right and most significant tributary of the Nizhnyaya Tunguska.