Ibestad Tunnel

The Ibestad Tunnel is an undersea tunnel in Ibestad Municipality in Troms county, Norway. The tunnel connects the islands of Rolla and Andørja. The western end of the tunnel begins in the village of Hamnvik on Rolla. Then the tunnel goes under the Bygda strait and connects to the village of Sørvika on the island of Andørja. The 3,398-metre (2.1 mi) long tunnel reaches a maximum depth of 112 metres (367 ft) below sea level. The width of the tunnel is 6 metres (20 ft) wide, and the steepest grade within the tunnel is 9.9%.^[1][2]

Ibestad Tunnel
Ibestadtunnelen

Overview
Location	Ibestad, Troms, Norway
Coordinates	68.7927°N 17.2013°E / 68.7927; 17.2013
Status	In use
Route	Fv848
Operation
Opened	2 December 2000
Technical
Length	3,398 metres (11,148 ft)
Lowest elevation	−112 metres (−367 ft)
Width	6 metres (20 ft)
Grade	9.9%
Route map

The tunnel, together with the Mjøsund Bridge, are part of Norwegian County Road 848 which is a ferry-free road connection between the islands of Rolla and Andørja to the mainland of Norway.