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Risholmen Lighthouse

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

Location & Light Range

About Risholmen Lighthouse

The Risholmen lighthouse is a square skeletal tower, 6.5 meters in height, covered with wood siding and topped with a lantern and gallery. It stands on a small skerry on the south side of the Arasvikfjord, within Norway's Trøndelag County. This structure, with its focal plane at 6 meters, emits a light that cycles through white, red, and green every 6 seconds. The lighthouse is operational and has a geographic range of 8.9 nautical miles. The surrounding site is open to visitors arriving by boat, although the tower itself is closed to the public. Its nearest port is Halsa, located 9.6 kilometers away.

Why it matters: This lighthouse aids safe passage through the Arasvikfjord, with its sectoral light clearly marking safe waters and warning of the skerry. Its wooden skeletal tower construction also represents a specific type of Norwegian coastal engineering.

Light & Optic

Characteristic Signature
Oc White/Red/Green 6s
Flash Type
Occulting
Light Color
White/Red/Green
Interval
6s
Raw Code
Oc WRG 6s
Focal Height
6m
Geographic Range
8.9NM

Location

City
Heim
Country
🇳🇴Norway
Region
Trøndelag
Sea Region
Situated on a skerry on the south side of the Arasvikfjord, opposite Ertvågøy, within the Heim municipality of Trøndelag County, Norway. This region is nestled between the Surnadal and Aure municipalities.
Latitude
63.1550°
Longitude
8.5219°

References & Identifiers

Nearest Port
Halsa(9.6 km)
Admiralty No.
L1100
NGA No.
6824

Tower & Structure

Tower Height
6.5m
Tower Shape
square
Tower Color
white
Material
wood

Structure: square skeletal tower, covered with wood siding, with lantern and gallery

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 Risholmen Lighthouse at night?+
Risholmen 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 Risholmen Lighthouse guide vessels into?+
Risholmen Lighthouse assists vessels approaching 5 nearby ports. The closest is Aure at 8.8 NM to the N. Other ports served include Halsa (9.7 NM WSW), Surnadal (10.7 NM SSE), Torjulvågen (12.7 NM SW), Vinjeøra (12.7 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Risholmen Lighthouse still active and maintained?+
Yes, Risholmen 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 Risholmen Lighthouse?+
You can track vessels near Risholmen 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.