Merchimden
| Merchimden Мерчимден | |
|---|---|
| Course of the Merchimden ONC map section | |
| Mouth location in Yakutia, Russia | |
| Location | |
| Country | Russia | 
| Physical characteristics | |
| Source | |
| • location | Central Siberian Plateau | 
| • coordinates | 69°12′01.4″N 118°52′09.4″E / 69.200389°N 118.869278°E | 
| Mouth | Olenyok | 
|  • coordinates | 70°17′24.8″N 119°15′15.2″E / 70.290222°N 119.254222°E | 
| Length | 218 km (135 mi) (344 km (214 mi)) | 
| Basin size | 4,080 km2 (1,580 sq mi) | 
| Basin features | |
| Progression | Olenyok→Laptev Sea | 
The Merchimden (Russian: Мерчимден) is a river in Yakutia (Sakha Republic), Russia. It is a tributary of the Olenyok with a length of 218 kilometres (135 mi) and a drainage basin area of 4,080 square kilometres (1,580 sq mi).
The river flows north of the Arctic Circle across a lonely, desolate area of Olenyoksky District devoid of settlements.