| No. | 69 | View Larger Map |
| INDEX | MISTASSINI | |
| ENGLISH NAME | Lake Mistassini | |
| LOCAL NAME | Lac Mistassini | |
| CONTINENT | North America | |
| NATIONS | Canada | |
| Latitude (deg) | 50.93 | |
| Longitude (deg) | -73.57 | |
| Area (km2) | 2,335 | |
| Maximum depth (m) |
183 | |
| Volume (km3) | 170 | |
| Elevation (m) | 372 | |
| Bottom Level (m) |
189 | |
| fresh/salt | fresh |