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Sømnes Lighthouse

Oc White/Red/Green 6s🇳🇴Brønnøy, NOOperational

Location & Light Range

About Sømnes Lighthouse

Also known as: Sømnes (Jarholmen)

The Sømnes Lighthouse, established in 1908, is an octagonal pyramidal skeletal tower standing 6 meters tall. It is covered with white siding and features a lantern room with a red roof and a gallery. The focal height of the light is 8 meters, and it offers a geographic range of 9.7 nautical miles. Its light characteristic is an occulting white, green, and red light on a 6-second cycle. The lighthouse is situated on the southern tip of Sømnes island, marking the entrance to Berg harbor from the Brønnøysund. The site is open to visitors, though the tower itself is closed.

Why it matters: This lighthouse is essential for safe passage into Berg harbor, particularly for vessels approaching from the Brønnøysund. Its directional light provides critical guidance for navigating the harbor entrance.

Light & Optic

Characteristic Signature
Oc White/Red/Green 6s
Flash Type
Occulting
Light Color
White/Red/Green
Interval
6s
Raw Code
Oc WGR 6s
Focal Height
8m
Geographic Range
9.7NM

Construction & History

First Lit
1908

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
6m
Tower Shape
octagonal
Tower Color
white with a red lantern roof
Material
skeletal

Structure: octagonal pyramidal skeletal tower, covered with white siding, with lantern and gallery

Location

City
Brønnøy
Country
🇳🇴Norway
Region
Nordland
Sea Region
Sømnes is an island located on its southern tip, marking the entrance to Berg harbor from the Brønnøysund.
Latitude
65.3732°
Longitude
12.1733°

References & Identifiers

Nearest Port
Berg(0.5 km)
Admiralty No.
L2044
NGA No.
9372
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Frequently Asked Questions

How do mariners identify Sømnes Lighthouse at night?+
Sømnes displays the characteristic Oc White/Red/Green 6s. 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 Sømnes Lighthouse guide vessels into?+
Sømnes Lighthouse assists vessels approaching 5 nearby ports. The closest is Berg at 0.5 NM to the ESE. Other ports served include Brønnøysund (6.1 NM N), Lessremman (7.4 NM E), Vega (17.2 NM NNW), Igerøy (18.3 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sømnes Lighthouse still active and maintained?+
Yes, Sømnes 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.
What shipping routes pass near Sømnes Lighthouse?+
Sømnes Lighthouse is located within the Baltic Sea trade route — a vital shipping corridor for trade between Scandinavian, German, Polish, and Baltic state ports. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Sømnes Lighthouse?+
You can track vessels near Sømnes 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.