Brønnøya
The old lime kiln on Brønnøya | |
Location of Brønnøya in Oslofjord | |
| Geography | |
|---|---|
| Location | Oslofjord |
| Coordinates | 59°51′26″N 10°32′17″E / 59.85722°N 10.53806°E |
| Archipelago | Vestfjorden |
| Area | 1.38 km2 (0.53 sq mi) |
| Highest elevation | 52 m (171 ft) |
| Additional information | |
| Official website | www |
Brønnøya is an island in the western section of Oslofjord (Vestfjorden), within the borders of the municipality of Asker.