The Korgfjell Tunnel is an 8,530 metre long road tunnel

Tunnel

A tunnel is an underground passageway, completely enclosed except for openings for egress, commonly at each end.A tunnel may be for foot or vehicular road traffic, for rail traffic, or for a canal. Some tunnels are aqueducts to supply water for consumption or for hydroelectric stations or are sewers...

 connecting Knutli in Vefsn

Vefsn

Vefsn is a municipality in Nordland county, Norway. It is part of the Helgeland traditional region. The administrative centre of the municipality is the town of Mosjøen....

 with Korgen

Korgen

Korgen is the administrative center of Hemnes municipality in Nordland county, Norway.-History:Korgen was a separate municipality in more than 45 years. Korgen was separated from Hemnes and created into a municipality on July 1, 1918. It was merged back together with Hemnes on January 1, 1964...

 in Hemnes

Hemnes

Hemnes is a municipality in Nordland county, Norway. It is part of the Helgeland traditional region. The administrative centre of the municipality is the village of Korgen.- Municipality history :...

, both in Nordland

Nordland

is a county in Norway in the North Norway region, bordering Troms in the north, Nord-Trøndelag in the south, Norrbottens län in Sweden to the east, Västerbottens län to the southeast, and the Atlantic Ocean to the west. The county was formerly known as Nordlandene amt. The county administration is...

 county in northern 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...

. Work on the tunnel started in 2001 and it was opened September 16, 2005.

The tunnel replaced a narrow, steep, twisting mountain road and shortened the E6

European route E6

European route E 6 is the designation for the main north-south road in Norway, and the west coast of Sweden, running from the southern tip of Sweden, at Trelleborg, into Norway and through almost all of the country north to Finnmark. The route ends close to the Norwegian border with Russia...

highway by 4 km. The travel time was shortened 10–20 minutes. Earlier on trucks with trailers were often stuck in the uphill in snow conditions, blocking the road. The place was considered one the worst places on the E6. The cost of the tunnel, including new roads at both ends, was about .

Coordinates:
Western end 66°2′52"N 13°38′0"E
Eastern end: 66°4′27"N 13°48′31"E