Brønnøya

Brønnøya
The old lime kiln on Brønnøya
Location of Brønnøya in Oslofjord
Geography
LocationOslofjord
Coordinates59°51′26″N 10°32′17″E / 59.85722°N 10.53806°E / 59.85722; 10.53806
ArchipelagoVestfjorden
Area1.38 km2 (0.53 sq mi)
Highest elevation52 m (171 ft)
Additional information
Official websitewww.bronnoya.no

Brønnøya is an island in the western section of Oslofjord (Vestfjorden), within the borders of the municipality of Asker.