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Skogholm Lighthouse

Q White/Red/Green🇫🇮Pargas, FIOperational

Location & Light Range

About Skogholm Lighthouse

The Skogholm Lighthouse is a 5-meter tall square concrete tower with a lantern and gallery. Its focal height reaches 5.5 meters above the water. This active aid to navigation is located on a skerry east of Orhisaari, marking the east side of a ship channel. The lighthouse emits four white, red, and green flashes every 6 seconds, with the color indicating the direction. Its geographic range is 8.6 nautical miles. The site is open to visitors, though the tower itself is closed.

Why it matters: Skogholm Lighthouse is essential for safe navigation within the Finnish archipelago, marking the eastern edge of a critical ship channel. Its sector light precisely delineates safe passages and warns of submerged dangers in a complex network of islands and skerries.

Light & Optic

Characteristic Signature
Q White/Red/Green
Flash Type
Quick
Light Color
White/Red/Green
Raw Code
Q(4) WRG 6s
Focal Height
5.5m
Light Range
6.6NM (12.2 km)
Geographic Range
8.6NM

Location

City
Pargas
Country
🇫🇮Finland
Region
Southwest Finland
Sea Region
A skerry on the east side of the ship channel, due east of Orhisaari.
Latitude
60.2789°
Longitude
22.0895°

References & Identifiers

Nearest Port
Pargas (Parainen)(6.0 km)
Admiralty No.
C4796.
NGA No.
SU-3529
Wikidata
Q62031609 →

Tower & Structure

Tower Height
5m
Tower Shape
square
Tower Color
white
Material
concrete

Structure: square concrete tower with lantern and gallery

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 Skogholm Lighthouse be seen?+
With a focal height of 5.5 meters and a nominal range of 6.6 nautical miles (approximately 12.2 km), Skogholm 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 Skogholm Lighthouse at night?+
Skogholm displays the characteristic Q White/Red/Green. 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 Skogholm Lighthouse guide vessels into?+
Skogholm Lighthouse assists vessels approaching 5 nearby ports. The closest is Pargas (Parainen) at 6.3 NM to the E. Other ports served include Rymättylä (Rimito) (6.7 NM NW), Tervsund (7 NM ESE), Nauvo (Nagu) (7.7 NM SW), KAUKOLA (9.1 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Skogholm Lighthouse still active and maintained?+
Yes, Skogholm 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 Skogholm Lighthouse?+
Skogholm 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 Skogholm Lighthouse?+
You can track vessels near Skogholm 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.