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Isle Royale Lighthouse

Fl W 6s🇨🇦Michigan's Western Upper Peninsula, CAOperational

Location & Light Range

About Isle Royale Lighthouse

Also known as: Menagerie Island Lighthouse

The Isle Royale Lighthouse was constructed and first illuminated in 1875. This white tower stands 19 meters tall, with its light positioned 22 meters above the water. The lighthouse produces a single white flash. The structure helps guide vessels in Michigan's Western Upper Peninsula.

Why it matters: The lighthouse is listed on the National Register of Historic Places.

Light & Optic

Characteristic Signature
Fl W 6s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
6s
Raw Code
Fl
Focal Height
22m
Geographic Range
9NM

Construction & History

Year Built
1875
Heritage Status
National Register of Historic Places listed place

References & Identifiers

Admiralty No.
LLNR 16710
Wikipedia
Read on Wikipedia →
Wikidata
Q6083855 →
OpenStreetMap
View on OSM →

Tower & Structure

Tower Height
19m
Tower Color
white

Location

City
Michigan's Western Upper Peninsula
Country
🇨🇦CA
Latitude
47.9500°
Longitude
-88.7667°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Isle Royale Lighthouse at night?+
Isle Royale displays the characteristic Fl W 6s — 1 white flash every 6 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.
Which ports and harbors does Isle Royale Lighthouse guide vessels into?+
Isle Royale Lighthouse assists vessels approaching 5 nearby ports. The closest is Fort William at 32.8 NM to the NW. Other ports served include Port Arthur (32.8 NM NW), Thunder Bay (32.8 NM NW), Grand Portage (37.1 NM W), MARKHAMS (49 NM S). Mariners should consult the relevant chart for full approach and pilotage information.
Is Isle Royale Lighthouse still active and maintained?+
Yes, Isle Royale 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 Isle Royale Lighthouse?+
You can track vessels near Isle Royale 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.