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Bergholmen Lighthouse

Oc (2) White/Red/Green 8s🇳🇴Træna, NOOperational

Location & Light Range

About Bergholmen Lighthouse

This stone lighthouse, operational since an unspecified date, is situated on an island 1.6 km east of the Træna harbor entrance in Norway's Nordland region. Its tower, painted red, has a 4.5m lantern and gallery mounted on a stone base. The focal height reaches 17.5 meters, providing a geographic range of 12.5 nautical miles. Bergholmen emits an occulting white, red, or green light, with two flashes in a WRG sequence every 8 seconds. While the site is open to the public, the tower itself remains closed. The nearest port, Trana, is 0.8 km away.

Why it matters: The lighthouse's light characteristics change depending on the vessel's approach angle, offering precise directional guidance for ships entering and leaving the Træna harbor.

Light & Optic

Characteristic Signature
Oc (2) White/Red/Green 8s
Flash Type
Occulting
Light Color
White/Red/Green
Flash Count
2 flashes
Interval
8s
Raw Code
Oc(2) WRG 8s
Focal Height
17.5m
Light Range
6.2NM (11.5 km)
Geographic Range
12.5NM

Location

City
Træna
Country
🇳🇴Norway
Region
Nordland
Sea Region
Located on an island approximately 1.6 km east of the Træna harbor entrance, guiding vessels into the harbor.
Latitude
66.5042°
Longitude
12.1403°

References & Identifiers

Nearest Port
Trana(0.8 km)
Admiralty No.
L2360
NGA No.
10232
Wikidata
Q43542963 →

Tower & Structure

Tower Color
red
Material
stone

Structure: A 4.5m lantern and gallery are mounted on a stone base.

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How far offshore can Bergholmen Lighthouse be seen?+
With a focal height of 17.5 meters and a nominal range of 6.2 nautical miles (approximately 11.5 km), Bergholmen is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Bergholmen Lighthouse at night?+
Bergholmen displays the characteristic Oc (2) White/Red/Green 8s — 2 white/red/green flashes every 8 seconds. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The white/red/green color may indicate a specific sector or warning zone.
Which ports and harbors does Bergholmen Lighthouse guide vessels into?+
Bergholmen Lighthouse assists vessels approaching 5 nearby ports. The closest is Træna at 1 NM to the WSW. Other ports served include TRAENA (1.2 NM WSW), Lovund (9.9 NM SE), Lurøy (17.4 NM ESE), Tonnes (20.6 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Bergholmen Lighthouse still active and maintained?+
Yes, Bergholmen Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
How can I track vessels near Bergholmen Lighthouse?+
You can track vessels near Bergholmen Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.