Coulonge River
| Coulonge River | |
|---|---|
| Coulonge River near Pont Davidson | |
| Native name | Rivière Coulonge (French) | 
| Location | |
| Country | Canada | 
| State | Quebec | 
| Region | Outaouais | 
| Physical characteristics | |
| Source | Lac au Barrage | 
| • location | Lac-Pythonga, Quebec | 
| • coordinates | 47°12′30″N 76°53′30″W / 47.20833°N 76.89167°W | 
| • elevation | 359 m (1,178 ft) | 
| Mouth | Ottawa River | 
|  • location | Fort-Coulonge, Quebec | 
|  • coordinates | 45°51′44″N 76°45′54″W / 45.86222°N 76.76500°W | 
|  • elevation | 105 m (344 ft) | 
| Length | 240 km (150 mi) | 
| Basin size | 5,060 km2 (1,950 sq mi) | 
| Discharge | |
| • average | 74.1 m3/s (2,620 cu ft/s) | 
| • minimum | 25.1 m3/s (890 cu ft/s) | 
| • maximum | 195 m3/s (6,900 cu ft/s) | 
| Basin features | |
| Progression | Ottawa River→ St. Lawrence River→ Gulf of St. Lawrence | 
| River system | Ottawa River drainage basin | 
| Tributaries | |
| • left | East Coulonge River | 
The Coulonge River (English: /kuːˈlɒndʒ/; French: [kulɔ̃ʒ]) is a predominantly wilderness river in western Quebec, Canada.
A popular river for whitewater canoeing enthusiasts, it is often grouped together with the Dumoine and Noire Rivers as three of a kind. The three rivers share the same watershed, and have similar whitewater characteristics. All three empty into the Ottawa River within a distance of 105 kilometers (65 mi) from one another.