View of the island (looking north)
Location in Sør-Trøndelag
|Coordinates||63°40′04″N 9°24′25″E / 63.6678°N 9.4070°ECoordinates: 63°40′04″N 9°24′25″E / 63.6678°N 9.4070°E|
|Area||11 km2 (4.2 sq mi)|
|Length||6 km (3.7 mi)|
|Width||3 km (1.9 mi)|
|Highest elevation||158 m (518 ft)|
Storfosna is a populated island in the municipality of Ørland in Sør-Trøndelag county, Norway. It is located between Kråkvåg and Garten at the mouth of the Trondheimsfjord. The traditional district of Fosen is named after this island. There is a large deer population on the island.