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Trädskär Övre Lighthouse

Oc White/Red/Green 2s🇸🇪Västerviks kommun, SEOperational

Location & Light Range

About Trädskär Övre Lighthouse

Constructed in 1940, Trädskär Övre is a concrete lighthouse situated on a small island east of Källvik, Sweden. This cylindrical tower, standing 6 meters tall with its lantern and gallery mounted on a concrete pier, reaches a focal height of 7 meters. It emits an occulting white, red, and green light that changes color every 2 seconds, indicating directional sectors. The lighthouse is located 550 meters east of its front light, serving as part of a navigational range. Access to the site is by boat, and while the grounds are open, the tower itself is closed to the public.

Why it matters: This lighthouse functions as a rear range light, working in tandem with its front counterpart to guide vessels through a specific channel in the complex waters east of Källvik. Its directional light system provides precise guidance, demarcating safe passage and warning of navigational hazards.

Light & Optic

Characteristic Signature
Oc White/Red/Green 2s
Flash Type
Occulting
Light Color
White/Red/Green
Interval
2s
Raw Code
Oc WRG 2s
Focal Height
7m
Geographic Range
9.3NM

Construction & History

Year Built
1940

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
6m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round cylindrical tower with lantern and gallery mounted on a concrete pier

Location

City
Västerviks kommun
Country
🇸🇪Sweden
Region
Kalmar County
Sea Region
Located on an island east of Källvik, 550 m east of the front light, in Sweden.
Latitude
57.9073°
Longitude
16.8201°

References & Identifiers

Nearest Port
Vastervik(10.3 km)
Admiralty No.
C7056.1
NGA No.
8332
ARLHS No.
SWE-130
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Frequently Asked Questions

How do mariners identify Trädskär Övre Lighthouse at night?+
Trädskär Övre displays the characteristic Oc White/Red/Green 2s. 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 Trädskär Övre Lighthouse guide vessels into?+
Trädskär Övre Lighthouse assists vessels approaching 5 nearby ports. The closest is Västervik at 11.2 NM to the SSW. Other ports served include Gamleby (13.4 NM W), Verkebäck (13.9 NM SW), Flivik (22.8 NM SSW), Simpevarp (29.9 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Trädskär Övre Lighthouse still active and maintained?+
Yes, Trädskär Övre 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 Trädskär Övre Lighthouse?+
Trädskär Övre 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 Trädskär Övre Lighthouse?+
You can track vessels near Trädskär Övre 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.