Olavsvern Underground Base: Strategic and Unique in the Far North

Olavsvern Submarine Base. Photo: Vimeo / Wilhelmsen
Olavsvern Submarine Base. Photo: Vimeo / Wilhelmsen

The Olavsvern submarine base, located in northern Norway, is a strategic military installation built during the Cold War. Situated between the Norwegian and Barents Seas, the base was designed to protect submarines and military vessels in an area with intense geopolitical and military activity.

Construction and Features

  • Location: Ramfjorden, about 20 kilometers south of Tromsø.
  • Subterranean Structure: Carved inside a mountain, protected by a 270-meter-thick gabbro rock roof.
  • Military Infrastructure:
    • Internal basin measuring 340 meters in length for submarines and patrol boats.
    • Dry dock, ammunition depots, workshops, and command areas.
    • Deep-water docks for nuclear submarines and larger vessels.
    • Barracks, mess halls, and support facilities for crews.
Olavsvern Submarine Base. Photo: Vimeo / Wilhelmsen
Olavsvern Submarine Base. Photo: Vimeo / Wilhelmsen




During the Cold War, the base was crucial for NATO’s defense in the Arctic region, offering strategic protection against potential Soviet threats.

Decommissioning and Sale

With the collapse of the Soviet Union and the end of the Cold War, Olavsvern’s relevance diminished. The base was decommissioned in 2009 and sold to private investors in 2013. The decision was widely criticized, as the installation was considered an important strategic asset.

Return to Military Use

In 2020, the company WilNor Governmental Services (WGS) acquired the majority stake in the base and initiated efforts to reintroduce it to military use. Currently, the base is primarily used for the annual winter exercises of Dutch marines.

Olavsvern Submarine Base. Photo: Vimeo / Wilhelmsen
Olavsvern Submarine Base. Photo: Vimeo / Wilhelmsen

Interest from the United States

Recently, the United States expressed interest in resuming operations at the base. This interest is linked to increased Russian military activity in the Arctic, including exercises with submarines equipped with intercontinental missiles. Using Olavsvern would strengthen NATO’s military presence in the region and enhance its ability to respond to threats.

Challenges and Future

Although the base is equipped with essential infrastructure to house crews and perform maintenance, significant upgrades would be required to accommodate modern nuclear submarines. Additionally, full reactivation depends on approval from the Norwegian government.

With the increasingly tense geopolitical situation in the High North, Olavsvern could once again become a strategic hub for defense and logistics, aligned with the needs of Norway, NATO, and its allies.

Source: WilNor Governmental Services, TWZ, Wikimedia. This content was created with the assistance of AI and reviewed by the editorial team.

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