HKB 1/975 Rörvik is a Norwegian military bunker located near the village of Rörvik in Trøndelag county. The site forms part of Norway's Cold War-era coastal defense network, designed to protect the country's strategic coastline and maritime approaches. Built during the heightened tensions of the mid-20th century, this bunker reflects Norway's commitment to national defense in the face of potential threats from the Soviet Union and other adversaries.
The bunker's location near the Norwegian Sea provided critical surveillance and defensive capabilities for the region.