| Stordalsvatnet | |
| Caption Map: | Interactive map of the lake |
| Coordinates: | 63.9696°N 10.3001°W |
| Location: | Åfjord Municipality, Trøndelag |
| Inflow: | Stordalselva |
| Outflow: | Stordalselva |
| Basin Countries: | Norway |
| Area: | 4.22km2 |
| Reference: | NVE[1] |
Stordalsvatnet[2] is a lake in Åfjord Municipality in Trøndelag county, Norway. The lake is located on the Stordalselva river which flows into the Åfjorden. The lake lies between the villages of By (on the east end) and Årnes (on the west end).[3]