| Other Name: | Historic: Guovdelasjávri, Guovddelasjávrre |
| Pushpin Map: | Nordland#Norway |
| Pushpin Label Position: | bottom |
| Pushpin Label: | Langvatnet |
| Pushpin Map Caption: | Location of the lake |
| Coordinates: | 68.3733°N 16.6486°W |
| Location: | Nordland, Norway |
| Basin Countries: | Norway |
| Area: | 14.36km2 |
| Reference: | NVE |
or is a lake in Narvik Municipality in Nordland county, Norway. The 14.36km2 lake is located northwest of the lake Sijdasjávrre and south of the lake Geitvatnet in the southeastern part of Ballangen, about from the border with Sweden.[1]