Ringvassøya is a large island in Troms

Troms

or Romsa is a county in North Norway, bordering Finnmark to the northeast and Nordland in the southwest. To the south is Norrbotten Län in Sweden and further southeast is a shorter border with Lapland Province in Finland. To the west is the Norwegian Sea...

 county, Norway

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

. It is divided between the municipalities

Municipalities of Norway

Norway is divided into 19 administrative regions, called counties , and 430 municipalities...

 of Tromsø

Tromsø

Tromsø is a city and municipality in Troms county, Norway. The administrative centre of the municipality is the city of Tromsø.Tromsø city is the ninth largest urban area in Norway by population, and the seventh largest city in Norway by population...

 and Karlsøy

Karlsøy

Karlsøy is a municipality in Troms county, Norway. The administrative centre of the municipality is the village of Hansnes. Karlsøy is also the name of a village on Karlsøya island in the municipality of Karlsøy. The village of Karlsøy had a population of 70.- General information :Karlsøy was...

.

With an area of 656 square kilometres (253.3 sq mi), Ringvassøy is the sixth largest island in mainland Norway. The island's highest point, Soltindan

Soltindan

Soltindan is the highest mountain on the island of Ringvassøya, in the municipality of Karlsøy in Troms county, Norway. It is located just north of the municipal border with Tromsø, about southwest of the municipal center of Hansnes. Just to the north of the peak is the small glacial lake,...

, has a height of 1051 metres (3,448.2 ft) above sea level. The 10 kilometres (6.2 mi) long Skogsfjordvatnet is the largest lake on an island in Norway.