Illhøllia tunnelen
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Illhøllia tunnelen is a 1260 meter long tunnel on European route E6 in Dunderlandsdal in Rana municipality, Nordland, Norway. The tunnel was opened in 2002. The tunnel is located in an area with very steep mountains. Before the opening of the tunnel, European route E6 had to be continuously repaired because the road was about to collapse into Ranelva due to erosion from brooks beneath the road.