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Oterholmen Lighthouse

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

Location & Light Range

About Oterholmen Lighthouse

This concrete lighthouse stands 5.5 meters tall, with its focal height at 6 meters. The structure is painted white and features a white lantern topped by a red roof. Its light emits two white flashes on an 8-second cycle, with white, red, and green sectors providing directional guidance. Located on the west side of the Sandhornøy peninsula in Gildeskål, Norway, it offers a geographic range of 8.9 nautical miles. The site is open to the public, though the tower itself is closed.

Why it matters: Oterholmen's directional light is important for local navigation, guiding vessels safely around the specific contours of Sandhornøy's northeastern peninsula. It ensures the safe passage of local fishing boats and other small craft operating in this part of Norway.

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
6m
Geographic Range
8.9NM

Location

City
Gildeskål
Country
🇳🇴Norway
Region
Nordland
Sea Region
West side of the northeastern peninsula of Sandhornøy
Latitude
67.1845°
Longitude
14.2279°

References & Identifiers

Nearest Port
Bodo(6.5 km)
Admiralty No.
L2512
NGA No.
10648

Tower & Structure

Tower Height
5.5m
Tower Color
white with a red roof
Material
concrete

Structure: A 5.5m concrete post with lantern and gallery, painted white with a white lantern and red roof.

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Oterholmen Lighthouse at night?+
Oterholmen 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 Oterholmen Lighthouse guide vessels into?+
Oterholmen Lighthouse assists vessels approaching 5 nearby ports. The closest is Sørarnoy at 6.6 NM to the WSW. Other ports served include Bodø (7.1 NM NNE), Vikan (7.6 NM E), Sund (7.7 NM SSW), Kvalvika (7.8 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Oterholmen Lighthouse still active and maintained?+
Yes, Oterholmen 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 Oterholmen Lighthouse?+
You can track vessels near Oterholmen 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.