Rivière à Mars North-West
| Rivière à Mars North-West | |
|---|---|
| Location | |
| Country | Canada | 
| Province | Quebec | 
| Region | Capitale-Nationale | 
| Regional County Municipality | Charlevoix Regional County Municipality | 
| Unorganized territory | Lac-Pikauba | 
| Physical characteristics | |
| Source | Lac à Mars | 
| • location | Lac-Pikauba | 
| • coordinates | 47°49′45″N 71°02′48″W / 47.82921°N 71.0468°W | 
| • elevation | 858 m (2,815 ft) | 
| Mouth | Rivière à Mars | 
 • location  | Lac-Pikauba | 
 • coordinates  | 47°58′19″N 70°58′02″W / 47.97194°N 70.96722°W | 
 • elevation  | 579 m (1,900 ft) | 
| Length | 26.6 km (16.5 mi) | 
| Discharge | |
| • location | Lac-Pikauba | 
| Basin features | |
| Tributaries | |
| • left | (from the mouth) Discharge of "lac des Écores", unidentified stream, discharge of lac Marchand, discharge of "Petit lac Cloc-Cloc" and of "lac Cloc-Cloc". | 
| • right | (from the mouth) Unidentied stream, discharge of lac Potvin. | 
The Rivière à Mars Nord-Ouest is a tributary of the rivière à Mars flowing in the unorganized territory of Lac-Pikauba, in the Charlevoix Regional County Municipality, in the administrative region of Capitale-Nationale, in the province of Quebec, Canada. The "rivière à Mars North-West" crosses the central-western part of the Laurentides Wildlife Reserve.
Upstream of the port, industrial and urban area, the "rivière à Mars" valley is mainly served by the "Consol Paper road". The "rivière à Mars North West" is served by a few other secondary forest roads for forestry and recreational tourism activities.
Forestry is the main economic activity in this valley; recreational tourism, second.
The surface of the "rivière à Mars North-West" is usually frozen from the beginning of December to the end of March, however the safe circulation on the ice is generally made from mid-December to mid-March.