The Ibestad Tunnel is an

undersea tunnel An underwater tunnel is a tunnel which is partly or wholly constructed under the sea or a river. They are often used where building a bridge or operating a ferry link is unviable, or to provide competition or relief for existing bridges or ferry li ...

in the municipality of

Ibestad Ibestad ( sme, Ivvárstádik) is a municipality in Troms og Finnmark county, Norway. It is part of the traditional region of Central Hålogaland. The administrative centre of the municipality is the village of Hamnvik. Some of the other la ...

Troms og Finnmark Troms og Finnmark (; sme, Romsa ja Finnmárku ; fkv, Tromssa ja Finmarkku; fi, Tromssa ja Finnmark, lit. Troms and Finnmark in English), is a county in northern Norway that was established on 1 January 2020 as the result of a regional reform ...

county,

Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...

. The tunnel connects the islands of Rolla and

Andørja Andørja is a former municipality in Troms county in Norway. The municipality existed from 1926 until its dissolution in 1964. It was located in the northeastern half of the present-day Ibestad Municipality. It encompassed the entire island o ...

. The western end of the tunnel begins in the village of

Hamnvik Hamnvik is the administrative centre of Ibestad Municipality in Troms og Finnmark county, Norway. It is located on the eastern tip of the island of Rolla. The village has a population (2017) of 474 which gives the village a population density ...

on Rolla. Then the tunnel goes under the Bygda strait and connects to the village of

Sørvika Sørvika is a village in Harstad Municipality in Troms county, Norway. It is located along the Vågsfjorden on the island of Hinnøya about south of the town of Harstad Its population (2001) is about 451. The village includes the ''Sø ...

on the island of Andørja. The long tunnel reaches a maximum depth of below sea level. The width of the tunnel is wide, and the steepest grade within the tunnel is 9.9%. The tunnel, together with the

Mjøsund Bridge Mjøsund Bridge ( no, Mjøsundbrua) is a cantilever bridge in Ibestad and Salangen municipalities in Troms og Finnmark county, Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland terri ...

, are part of

Norwegian County Road 848 Norwegian, Norwayan, or Norsk may refer to: *Something of, from, or related to Norway, a country in northwestern Europe *Norwegians, both a nation and an ethnic group native to Norway *Demographics of Norway *The Norwegian language, including the ...

which is a ferry-free road connection between the islands of Rolla and

to the mainland of Norway.

References

Ibestad Road tunnels in Troms og Finnmark Roads within the Arctic Circle {{Norway-tunnel-stub