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Oslo County Lighthouses Lighthouse

Fl Red 3s🇳🇴Oslo, NOOperational

This hexagonal fiberglass tower, standing 8.5 meters tall on a concrete pile, aids navigation at the northern end of the Oslofjord. Its light is positioned 7 meters above sea level and emits a red flash every three seconds, visible for 9.3 nautical miles. The lighthouse is situated southwest of Heggholmen, marking a passage through a group of islands north of Heggholmen and south of Lingøy. It replaced an earlier structure that stood on a stone pier. The current lighthouse guides vessels through the central approach to the Oslo harbor.

Why it matters: This lighthouse is essential for guiding ships through the central approach to Oslo and navigating the passage between Heggholmen and Lingøy.

Characteristic Signature
Fl Red 3s
Flash Type
Flashing
Light Color
Red
Interval
3s
Raw Code
Fl R 3s
Focal Height
7m
Geographic Range
9.3NM

Significant events: Replaced

Nearest Port
Oslo(1.3 km)
Admiralty No.
B2407
NGA No.
0474
Tower Height
8.5m
Tower Shape
hexagonal
Material
concrete, fiberglass

Structure: hexagonal fiberglass tower mounted on a concrete pile

City
Oslo
Country
🇳🇴Norway
Sea Region
Located at the northern end of the Oslofjord, Norway, within the Oslo harbor's central approach. It is situated southwest of Heggholmen, one of several islands off the Oslo waterfront, marking a passage through the island group, north of Heggholmen and south of Lingøy.
Latitude
59.8771°
Longitude
10.7052°
Flag
Type
Name
Dist.
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How do mariners identify Oslo County Lighthouses Lighthouse at night?+
Oslo County Lighthouses displays the characteristic Fl Red 3s. 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Oslo County Lighthouses Lighthouse guide vessels into?+
Oslo County Lighthouses Lighthouse assists vessels approaching 5 nearby ports. The closest is Oslo at 1.4 NM to the NNE. Other ports served include Sjursøja/Oslo (1.9 NM ENE), Lysaker (2.7 NM NW), Snarøya (2.7 NM W), Steilene (4.6 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Oslo County Lighthouses Lighthouse still active and maintained?+
Yes, Oslo County Lighthouses 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 Oslo County Lighthouses Lighthouse?+
Oslo County Lighthouses 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 Oslo County Lighthouses Lighthouse?+
You can track vessels near Oslo County Lighthouses 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.