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Djursholmsudde Lighthouse

Fl (4) White/Red/Green 12s🇸🇪Danderyds kommun, SEOperational

Location & Light Range

About Djursholmsudde Lighthouse

Built in 1950, the Djursholmsudde lighthouse is a 5-meter-high cylindrical tower painted white, topped with a lantern. It is situated on the southeastern tip of a promontory that extends into the Stora Värtan sound. The lighthouse emits four flashes of white, red, or green light every 12 seconds, with a geographic range of 8.4 nautical miles. Its focal height is also 5 meters. The site is open to the public, though the tower itself remains closed. The nearest port is Loudden, 4.1 kilometers away.

Why it matters: This lighthouse is important for guiding maritime traffic in the Stora Värtan sound. Its directional light, which changes color, offers precise navigation for vessels approaching this section of the Stockholm archipelago.

Light & Optic

Characteristic Signature
Fl (4) White/Red/Green 12s
Flash Type
Flashing
Light Color
White/Red/Green
Flash Count
4 flashes
Interval
12s
Raw Code
Fl(4) WRG 12s
Focal Height
5m
Light Range
5.8NM (10.7 km)
Geographic Range
8.4NM

Construction & History

Year Built
1950

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
5m
Tower Shape
cylindrical
Tower Color
white

Structure: round cylindrical tower with lantern, painted white

Location

City
Danderyds kommun
Country
🇸🇪Sweden
Region
Stockholm County
Sea Region
Stora Värtan sound, marking the southeastern tip of a promontory near Djursholm, an upscale neighborhood north of Stockholm.
Latitude
59.3959°
Longitude
18.1022°

References & Identifiers

Nearest Port
Loudden(4.1 km)
Admiralty No.
C6541
NGA No.
9532
Wikidata
Q28375622 →
OpenStreetMap
View on OSM →
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Frequently Asked Questions

How far offshore can Djursholmsudde Lighthouse be seen?+
With a focal height of 5 meters and a nominal range of 5.8 nautical miles (approximately 10.7 km), Djursholmsudde 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 Djursholmsudde Lighthouse at night?+
Djursholmsudde displays the characteristic Fl (4) White/Red/Green 12s — 4 white/red/green flashes every 12 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 Djursholmsudde Lighthouse guide vessels into?+
Djursholmsudde Lighthouse assists vessels approaching 5 nearby ports. The closest is Loudden/Stockholm at 4.1 NM to the SSW. Other ports served include Stockholm (4.1 NM SSW), Ballstaviken (4.8 NM WSW), Bergs oljehamn (5.2 NM SSE), Vaxholm (7.1 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Djursholmsudde Lighthouse still active and maintained?+
Yes, Djursholmsudde 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 Djursholmsudde Lighthouse?+
Djursholmsudde 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 Djursholmsudde Lighthouse?+
You can track vessels near Djursholmsudde 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.