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Hummulråsa Lighthouse

Oc (3) White/Red/Green 10s🇳🇴Nærøysund, NOOperational

Location & Light Range

About Hummulråsa Lighthouse

The Hummulråsa lighthouse is situated at the southeastern end of Svinøy island in Norway's Trøndelag region. It consists of a 6-meter square skeletal tower, covered with siding, topped by a lantern and gallery. The focal height of the light is 15 meters above sea level. Its light characteristic is three white, red, or green occultations every 10 seconds, providing a directional signal. This active light has a geographic range of 11.9 nautical miles.

Why it matters: The Hummulråsa light is essential for safe passage around the southeastern end of Svinøy island, warning mariners of potential hazards. Its color-changing directional beam and distinct occulting pattern aid in precise positioning and identification.

Light & Optic

Characteristic Signature
Oc (3) White/Red/Green 10s
Flash Type
Occulting
Light Color
White/Red/Green
Flash Count
3 flashes
Interval
10s
Raw Code
Oc(3) WRG 10s
Focal Height
15m
Geographic Range
11.9NM

Location

City
Nærøysund
Country
🇳🇴Norway
Region
Trøndelag
Sea Region
Southeastern end of the island of Svinøy
Latitude
64.9126°
Longitude
11.3667°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
6m
Tower Shape
square
Tower Color
white

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

References & Identifiers

Nearest Port
Ottersoya(3.8 km)
Admiralty No.
L1918
NGA No.
9056
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Frequently Asked Questions

How do mariners identify Hummulråsa Lighthouse at night?+
Hummulråsa displays the characteristic Oc (3) White/Red/Green 10s — 3 white/red/green flashes every 10 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 Hummulråsa Lighthouse guide vessels into?+
Hummulråsa Lighthouse assists vessels approaching 5 nearby ports. The closest is Djupvik at 2.2 NM to the WSW. Other ports served include Ottersøy (3.5 NM SW), Ottersøya (3.8 NM SSW), Rørvik (4.4 NM SW), Kolvereid (7 NM ESE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Hummulråsa Lighthouse still active and maintained?+
Yes, Hummulråsa 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 Hummulråsa Lighthouse?+
Hummulråsa 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 Hummulråsa Lighthouse?+
You can track vessels near Hummulråsa 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.