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Dark Hole West Range Rear Lighthouse

Fl White 2.5s🇺🇸Soo Township, USOperational

This cylindrical concrete tower stands 12 meters tall, with its light positioned 23 meters above the water. The structure is painted green and features a red horizontal band, mounted on a concrete pier. It emits a white flash every 2.5 seconds, visible for 13.8 nautical miles. Located in Soo Township, Michigan, it is situated approximately 90 meters northwest of the East Range Rear light. The site is open to the public, though the tower itself is closed.

Why it matters: This light is indispensable for downbound vessels utilizing the East Neebish passage, providing critical guidance through a specific navigational channel. Its function as a rear range light ensures precise alignment for ships.

Characteristic Signature
Fl White 2.5s
Flash Type
Flashing
Light Color
White
Interval
2.5s
Raw Code
Fl W 2.5s
Focal Height
23m
Geographic Range
13.8NM
City
Soo Township
Country
🇺🇸United States
Region
Michigan
Sea Region
guides downbound vessels that have chosen to use the East Neebish passage. Located about 100 yd (90 m) northwest of the East Range Rear light.
Latitude
46.2641°
Longitude
-84.1160°
Nearest Port
Sault-Sainte-Marie(17.8 km)
USCG No.
7-13185
ARLHS No.
USA-709
Tower Height
12m
Tower Shape
cylindrical
Material
concrete

Structure: round D9 tower, painted green with a red horizontal band, mounted on a concrete pier

Open to public
Site open, tower closed
Flag
Type
Name
Dist.
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How do mariners identify Dark Hole West Range Rear Lighthouse at night?+
Dark Hole West Range Rear displays the characteristic Fl White 2.5s. 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 Dark Hole West Range Rear Lighthouse guide vessels into?+
Dark Hole West Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is Sault-Sainte-Marie at 17.2 NM to the NNW. Other ports served include Sault Sainte Marie (17.2 NM NW), De Tour Village (18.6 NM SSE), CEDARVILLE (19.1 NM SSW), DRUMMOND ISLAND (19.4 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Dark Hole West Range Rear Lighthouse still active and maintained?+
Yes, Dark Hole West 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.
How can I track vessels near Dark Hole West Range Rear Lighthouse?+
You can track vessels near Dark Hole West 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.