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Lanesgrunnen Lighthouse

Fl (2) White 5s🇳🇴Tromsø, NOOperational

Location & Light Range

About Lanesgrunnen Lighthouse

This concrete lighthouse, standing 19 meters tall, marks the southern entrance to the Sandnessund channel. Its cylindrical structure features distinctive black and red horizontal bands. The focal plane is 11 meters above sea level, and it emits a white light with a characteristic of one white flash every five seconds. The original lantern has since been removed from the structure. The site is open to the public, but the tower itself is closed. It is located near Tromsø in the Troms region.

Why it matters: This lighthouse is critical for safe navigation through the Sandnessund, guiding vessels at its southern approach. It serves as the initial bearing for ships entering or exiting this channel on the west side of Tromsøya.

Light & Optic

Characteristic Signature
Fl (2) White 5s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
5s
Raw Code
Fl W 5s
Focal Height
11m
Geographic Range
10.7NM

Construction & History

Significant events: Lantern removed

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
19m
Tower Shape
cylindrical
Tower Color
with black and red horizontal bands
Material
concrete

Structure: A 19m concrete post with a gallery, painted with black and red horizontal bands, and a white gallery. The lantern has been removed.

Location

City
Tromsø
Country
🇳🇴Norway
Region
Troms
Sea Region
Sandnessund, a channel on the west side of Tromsøya, marking the southern entrance to the Sandnessund.
Latitude
69.6224°
Longitude
18.8930°

References & Identifiers

Nearest Port
Tromsdalen(2.9 km)
Admiralty No.
L3631
NGA No.
13438
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Frequently Asked Questions

How do mariners identify Lanesgrunnen Lighthouse at night?+
Lanesgrunnen displays the characteristic Fl (2) White 5s — 2 white flashes every 5 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 color may indicate a specific sector or warning zone.
Which ports and harbors does Lanesgrunnen Lighthouse guide vessels into?+
Lanesgrunnen Lighthouse assists vessels approaching 5 nearby ports. The closest is Tromsdalen at 3.1 NM to the ENE. Other ports served include Tromsø (3.6 NM NE), Kaldfjord (4.9 NM NW), Ramfjordnes (6.1 NM SSE), Bellvika (10 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Lanesgrunnen Lighthouse still active and maintained?+
Yes, Lanesgrunnen 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.
How can I track vessels near Lanesgrunnen Lighthouse?+
You can track vessels near Lanesgrunnen 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.