| Vestvannet | |
| Location: | Sarpsborg in Østfold |
| Basin Countries: | Norway |
| Area: | 7.97km2 |
| Pushpin Map: | Norway Østfold |
| Shore: | 43.05km (26.75miles) |
| Elevation: | 25m (82feet) |
| Reference: | NVE |
Vestvannet is a lake located within the municipality of Sarpsborg in Østfold county, Norway. The lower part of the lake is a protected area included in the Vestvannet Nature Reserve (Vestvannet naturreservat).[1]