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Iso Järviluoto Range Rear Lighthouse

Oc Green 6s🇫🇮Rauma, FIOperational

Location & Light Range

About Iso Järviluoto Range Rear Lighthouse

This square skeletal mast, standing 35 meters tall, is painted red with a yellow vertical stripe and is located on the small island of Vähä Järviluoto, just south of Rauma harbor. Its green light is occulting, with a 6-second cycle, providing 17.2 nautical miles of geographic range. The structure carries a large daymark. This light serves as the rear marker for the third range guiding vessels toward Rauma. The mast is constructed of steel and has a focal height of 41 meters.

Why it matters: This range light is essential for the safe navigation of vessels approaching Rauma, marking the third and final range for entry into the harbor.

Light & Optic

Characteristic Signature
Oc Green 6s
Flash Type
Occulting
Light Color
Green
Interval
6s
Raw Code
Oc G 6s
Focal Height
41m
Geographic Range
17.2NM

Location

City
Rauma
Country
🇫🇮Finland
Region
Satakunta
Sea Region
Located on the small island of Vähä Järviluoto on the south side of Rauma harbor, it serves as the third range for vessels approaching Rauma.
Latitude
61.1219°
Longitude
21.4478°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
35m
Tower Shape
square
Tower Color
red with a yellow vertical stripe
Material
steel

Structure: square skeletal mast carrying a large daymark colored red with a yellow vertical stripe

References & Identifiers

Nearest Port
Raumo (Rauma)(0.1 km)
Admiralty No.
C4419.1
NGA No.
17312
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Frequently Asked Questions

How do mariners identify Iso Järviluoto Range Rear Lighthouse at night?+
Iso Järviluoto Range Rear displays the characteristic Oc Green 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Iso Järviluoto Range Rear Lighthouse guide vessels into?+
Iso Järviluoto Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is Raumo (Rauma) at 0.2 NM to the ENE. Other ports served include Olkiluoto (6.7 NM N), Eurajoki (Euraåminne) (9.5 NM ENE), LEIVONMAKI (10.5 NM S), Luvia (13.8 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Iso Järviluoto Range Rear Lighthouse still active and maintained?+
Yes, Iso Järviluoto 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 Iso Järviluoto Range Rear Lighthouse?+
Iso Järviluoto 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 Iso Järviluoto Range Rear Lighthouse?+
You can track vessels near Iso Järviluoto 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.