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Lotsberget Range Rear Lighthouse

Fl White 6s🇫🇮Mariehamn, FIOperational

Location & Light Range

About Lotsberget Range Rear Lighthouse

The Lotsberget Range Rear light stands as a white, cylindrical skeletal tower 18 meters in height, situated on a ridge. It carries a square daymark with red and yellow vertical stripes. The light emits a single white flash every 6 seconds, with a focal height of 56 meters, providing a geographic range of 19.5 nautical miles. This rear range light is positioned about 800 meters northeast of its corresponding front light. While the site is accessible, the tower itself remains closed to visitors.

Why it matters: This light functions in conjunction with its front counterpart to establish a navigational range, essential for vessels requiring precise course alignment in local Finnish waters.

Light & Optic

Characteristic Signature
Fl White 6s
Flash Type
Flashing
Light Color
White
Interval
6s
Raw Code
Fl W 6s
Focal Height
56m
Geographic Range
19.5NM

Location

City
Mariehamn
Country
🇫🇮Finland
Region
Åland Islands
Sea Region
Located on a ridge in Finland, serving as the rear light for a navigational range.
Latitude
60.0862°
Longitude
19.9391°

References & Identifiers

Nearest Port
Mariehamn(0.6 km)
Admiralty No.
C4500.1.

Tower & Structure

Tower Height
18m
Tower Shape
cylindrical
Tower Color
white

Structure: square cylindrical skeletal tower carrying a rectangular daymark colored red with a yellow vertical stripe

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 Lotsberget Range Rear Lighthouse at night?+
Lotsberget Range Rear displays the characteristic Fl White 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 color may indicate a specific sector or warning zone.
Which ports and harbors does Lotsberget Range Rear Lighthouse guide vessels into?+
Lotsberget Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is KORRVIK at 0.2 NM to the SW. Other ports served include Mariehamn (Maarianhamina) (0.5 NM NNW), Mariehamn (Maarianhamina) (0.9 NM NNE), Gottby (Godby) (4.2 NM NW), Färjsundet (8.7 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Lotsberget Range Rear Lighthouse still active and maintained?+
Yes, Lotsberget Range Rear 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 Lotsberget Range Rear Lighthouse?+
Lotsberget Range Rear 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 Lotsberget Range Rear Lighthouse?+
You can track vessels near Lotsberget Range Rear 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.