The Stokkviknakken Tunnel (Norwegian: Stokkviknakkentunnelen) is a road tunnel that is part of Norwegian County Road 830 in Fauske Municipality in Nordland county, Norway.

It is located about 4 kilometres (2.5 mi) east of a series of three long tunnels on the road.

The tunnel was built to shorten the overall length of the railroad by straightening the path and going through a mountain rather than curving around it.

The tunnel was rebuilt soon after when the old railway line was converted into a highway which opened in 1975.

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