| No. | 13 | View Larger Map |
| INDEX | ONTARIO | |
| ENGLISH NAME | Lake Ontario | |
| LOCAL NAME | Lake Ontario | |
| CONTINENT | North America | |
| NATIONS | Canada, USA | |
| Latitude (deg) | 43.65 | |
| Longitude (deg) | -77.78 | |
| Area (km2) | 19,000 | |
| Maximum depth (m) |
245 | |
| Volume (km3) | 1,640 | |
| Elevation (m) | 75 | |
| Bottom Level (m) |
-170 | |
| fresh/salt | fresh |