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Slettskjærgrunnen Lighthouse

Oc Red 2s🇳🇴Tromsø, NOOperational

Location & Light Range

About Slettskjærgrunnen Lighthouse

Slettskjærgrunnen is a 17.5-meter concrete post situated on the north side of the Sandnessund Bridge, which links Tromsø to Kvalsøya. The structure is painted red and features a white gallery. It emits an occluded red light that reappears every 2 seconds and has a geographic range of 10.2 nautical miles. The post stands at a focal height of 9.5 meters. While the site is open, the tower itself is closed to the public. The nearest port is Tromsdalen, located 1.9 kilometers away.

Why it matters: This navigational aid guides vessels through the waters near the Sandnessund Bridge, helping mariners identify the northern approach. Its design as a concrete post with a removed lantern distinguishes it from conventional lighthouses.

Light & Optic

Characteristic Signature
Oc Red 2s
Flash Type
Occulting
Light Color
Red
Interval
2s
Raw Code
Oc R 2s
Focal Height
9.5m
Geographic Range
10.2NM

Location

City
Tromsø
Country
🇳🇴Norway
Region
Troms
Sea Region
North side of the Sandnessund Bridge, connecting Tromsø to Kvalsøya.
Latitude
69.6978°
Longitude
18.9249°

References & Identifiers

Nearest Port
Tromsdalen(1.9 km)
Admiralty No.
L3641
NGA No.
13444

Tower & Structure

Tower Height
17.5m
Tower Color
white
Material
concrete

Structure: A 17.5m concrete post with a gallery, painted red with a white gallery. The lantern has been removed.

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Slettskjærgrunnen Lighthouse at night?+
Slettskjærgrunnen displays the characteristic Oc Red 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Slettskjærgrunnen Lighthouse guide vessels into?+
Slettskjærgrunnen Lighthouse assists vessels approaching 5 nearby ports. The closest is Tromsø at 2.6 NM to the SE. Other ports served include Tromsdalen (3.4 NM SSE), Kaldfjord (4.1 NM WSW), Bellvika (6.1 NM NNW), Ramfjordnes (10.2 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Slettskjærgrunnen Lighthouse still active and maintained?+
Yes, Slettskjærgrunnen 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 Slettskjærgrunnen Lighthouse?+
You can track vessels near Slettskjærgrunnen 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.