Nimelen
| Nimelen Нимелен | |
|---|---|
| Upper course in the Yam-Alin area. | |
| Mouth location in Khabarovsk Krai, Russia | |
| Location | |
| Country | Russia | 
| Physical characteristics | |
| Source | |
| • location | Confluence of Mata and Seyamni-Makit Yam-Alin | 
| • coordinates | 52°54′58″N 134°49′59″E / 52.91611°N 134.83306°E | 
| Mouth | Amgun | 
|  • coordinates | 52°25′57″N 136°35′27″E / 52.43250°N 136.59083°E | 
|  • elevation | 51 m (167 ft) | 
| Length | 311 km (193 mi) | 
| Basin size | 14,100 km2 (5,400 sq mi) | 
| Discharge | |
| • average | 157 m3/s (5,500 cu ft/s) | 
| Basin features | |
| Progression | Amgun → Amur→ Sea of Okhotsk | 
The Nimelen (Russian: Нимелен) is a river in Khabarovsk Krai, Russia. It is the longest tributary of the Amgun, with a length of 311 kilometres (193 mi) and a drainage basin area of 14,100 square kilometres (5,400 sq mi).
The Nimelen flows across a desolate, uninhabited area where the climate is harsh.