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Lillgrund Lighthouse

Fl White 3s🇫🇮Korsnäs, FIOperational

Location & Light Range

About Lillgrund Lighthouse

Lillgrund lighthouse is a triangular skeletal tower standing 11 meters tall, with its light positioned 13 meters above sea level. It is located on a small island about 1.2 kilometers off the southwest coast of Halsön, near Korsnäs. This active navigational aid emits a white flash every three seconds, visible for up to 11.3 nautical miles. The site is open to visitors arriving by boat, but the tower itself is not accessible. Its location in the Ostrobothnia region of Finland marks a point along the archipelago's coastline.

Why it matters: This lighthouse provides a critical visual reference for maritime traffic navigating the coastal waters southwest of Halsön, aiding vessels in avoiding hazards.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
13m
Light Range
5NM (9.3 km)
Geographic Range
11.3NM

Location

City
Korsnäs
Country
🇫🇮Finland
Region
Ostrobothnia
Sea Region
Located on a small island about 1.2 km off the southwest coast of Halsön.
Latitude
62.8177°
Longitude
21.0881°

References & Identifiers

Nearest Port
Vaasa(20.5 km)
Admiralty No.
C4300
NGA No.
17800
Wikidata
Q61993637 →

Tower & Structure

Tower Height
11m
Tower Shape
skeletal

Structure: triangular skeletal tower

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How far offshore can Lillgrund Lighthouse be seen?+
With a focal height of 13 meters and a nominal range of 5 nautical miles (approximately 9.3 km), Lillgrund is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. As a shorter-range light, it primarily serves nearshore and coastal traffic.
How do mariners identify Lillgrund Lighthouse at night?+
Lillgrund displays the characteristic Fl White 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Lillgrund Lighthouse guide vessels into?+
Lillgrund Lighthouse assists vessels approaching 5 nearby ports. The closest is BERGO at 8.3 NM to the NNE. Other ports served include Töjby (10.3 NM SSE), MALAX (14.3 NM NE), Kronvik (16.6 NM NNE), Vasa (Vaasa) (20.4 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Lillgrund Lighthouse still active and maintained?+
Yes, Lillgrund 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 Lillgrund Lighthouse?+
Lillgrund 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 Lillgrund Lighthouse?+
You can track vessels near Lillgrund 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.