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Flisörännan Lighthouse

Fl White/Yellow/Red/Green 3s🇫🇮Föglö, FIOperational

Location & Light Range

About Flisörännan Lighthouse

This cylindrical concrete lighthouse stands 10 meters tall, with a focal height of 10 meters. Its exterior is painted white and features a black band near the top. Located approximately 400 meters north of Rödskär, off the west coast of Flisö, Finland, it marks the Flisörännan channel. The lighthouse emits a white, yellow, red, or green light that flashes once every three seconds. This sector light system offers directional guidance. While the tower is closed to visitors, the surrounding site is accessible.

Why it matters: The lighthouse is essential for safe passage through the Flisörännan channel, a critical waterway off Flisö's west coast. Its multi-colored sector light system precisely delineates safe navigable waters, supporting local maritime traffic.

Light & Optic

Characteristic Signature
Fl White/Yellow/Red/Green 3s
Flash Type
Flashing
Light Color
White/Yellow/Red/Green
Interval
3s
Raw Code
Fl 3s
Focal Height
10m
Geographic Range
10.4NM

Location

City
Föglö
Country
🇫🇮Finland
Region
Åland Islands
Sea Region
Located about 400 m north of Rödskär off the west coast of Flisö, Finland.
Latitude
60.0061°
Longitude
20.2990°

References & Identifiers

Nearest Port
Degerby(3.1 km)
Admiralty No.
C4550.
NGA No.
SU-6247

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Tower Color
white with a black band at the top
Material
concrete

Structure: round cylindrical concrete tower painted white with a black band at the top

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 Flisörännan Lighthouse at night?+
Flisörännan displays the characteristic Fl White/Yellow/Red/Green 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/yellow/red/green color may indicate a specific sector or warning zone.
Which ports and harbors does Flisörännan Lighthouse guide vessels into?+
Flisörännan Lighthouse assists vessels approaching 5 nearby ports. The closest is Degerby at 3 NM to the ENE. Other ports served include Föglö (3.6 NM E), Långnäs (6.6 NM N), Mariehamn (Maarianhamina) (11.9 NM WNW), KORRVIK (11.9 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Flisörännan Lighthouse still active and maintained?+
Yes, Flisörännan 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 Flisörännan Lighthouse?+
Flisörännan 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 Flisörännan Lighthouse?+
You can track vessels near Flisörännan 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.