Thomsen River
| Thomsen River | |
|---|---|
Thomsen River in July  | |
| Location | |
| Country | Canada | 
| Territory | Northwest Territories | 
| Physical characteristics | |
| Mouth | |
 • location  | Castel Bay | 
 • coordinates  | 73°59′41″N 119°43′27″W / 73.99481°N 119.7242°W | 
The Thomsen River, located in the Northwest Territories of Canada, is the northernmost usable river of the country. It is famous for canoeing.