| Nastapoka River | |
|---|---|
 Falls on Nastapoka River | |
 | |
| Location | |
| Country | Canada |
| Province | Quebec |
| Region | Nord-du-Québec |
| Physical characteristics | |
| Source | Lacs des Loups Marins |
| • location | Nord-du-Québec, Quebec |
| • coordinates | 56°30′31″N 73°44′58″W / 56.50861°N 73.74944°W |
| • elevation | 373 m (1,224 ft) |
| Mouth | |
• location | Hudson Bay, Montreal, Quebec |
• coordinates | 56°54′38″N 76°32′46″W / 56.91056°N 76.54611°W |
• elevation | 23 m (75 ft) |
| Length | 402 km (250 mi)[1] |
| Basin size | 13,364[2] km2 (5,160 sq mi)[1] |
| Discharge | |
| • average | 175 m3/s (6,200 cu ft/s)[1] |
The Nastapoka River is a tributary of East coast of Hudson Bay, flowing in the administrative region of Nord-du-Québec, in Quebec, Canada. This river is one of the most important rivers of Nord-du-Québec, the 39th of Quebec because its watershed of 13,400 square kilometres (5,200 sq mi).