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Sgeir Dhearg Lighthouse

Fl (2) White/Green 8s🇬🇧GBOperational

Location & Light Range

About Sgeir Dhearg Lighthouse

Also known as: Sgeir Dhearg (Mallaig)

Sgeir Dhearg lighthouse was established in 1901 and stands on a skerry at the east side of the Mallaig Harbour entrance. The square concrete tower, painted white, rises 7.5 meters high, with its light positioned 6 meters above sea level. It emits two white or green flashes every 8 seconds, with the color shift indicating the navigable channel. This light has provided guidance for vessels entering and exiting the harbor for over a century. The nearest port is Mallaig, just 0.1 kilometers away.

Why it matters: This lighthouse is essential for the safe passage of fishing vessels and ferries navigating the busy entrance to Mallaig Harbour, a key transport hub for the Small Isles. Its distinctive sector light precisely delineates the safe channel around the skerry it occupies.

Light & Optic

Characteristic Signature
Fl (2) White/Green 8s
Flash Type
Flashing
Light Color
White/Green
Flash Count
2 flashes
Interval
8s
Raw Code
Fl(2) W G 8s (sector)
Focal Height
6m
Geographic Range
8.9NM

Construction & History

Year Built
1901

References & Identifiers

Nearest Port
Mallaig(0.1 km)
Admiralty No.
A3960
NGA No.
3780

Tower & Structure

Tower Height
7.5m
Tower Shape
square
Tower Color
white
Material
concrete

Structure: square masonry tower, painted white

Location

Country
🇬🇧United Kingdom
Region
Scotland
Sea Region
on a skerry on the east side of the entrance to Mallaig Harbour
Latitude
57.0079°
Longitude
-5.8222°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Sgeir Dhearg Lighthouse at night?+
Sgeir Dhearg displays the characteristic Fl (2) White/Green 8s — 2 white/green flashes every 8 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/green color may indicate a specific sector or warning zone.
Which ports and harbors does Sgeir Dhearg Lighthouse guide vessels into?+
Sgeir Dhearg Lighthouse assists vessels approaching 5 nearby ports. The closest is Mallaig at 0.1 NM to the SW. Other ports served include Sleat (3.6 NM NW), Armadale, Isle of Skye (4.2 NM NW), Inverie (4.8 NM ENE), Arisaig (6.5 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Sgeir Dhearg Lighthouse still active and maintained?+
Yes, Sgeir Dhearg 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 Sgeir Dhearg Lighthouse?+
You can track vessels near Sgeir Dhearg 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.