Round Island Passage Light Lighthouse
Fl R 4s🇺🇸Round Channel in the Straits of Mackinac, MI, USOperational
Location & Light Range
About Round Island Passage Light Lighthouse
This lighthouse stands 18 meters tall, with its light positioned 21 meters above the water. Constructed and first lit in 1947, it guides vessels through the Round Island Channel. The channel itself is a branch of Lake Huron, connecting important waterways. This structure is automated and unmanned, relying on modern technology for its operation.
Why it matters: The lighthouse is listed on the National Register of Historic Places.
Background
Round Island Passage Light is an automated, unmanned lighthouse located in the Round Island Channel in the Straits of Mackinac, Michigan. The channel is a branch of Lake Huron.Light & Optic
Characteristic Signature
Fl R 4s
- Flash Type
- Flashing
- Light Color
- Red
- Flash Count
- 1 flash
- Interval
- 4s
- Focal Height
- 21m
- Light Range
- 14NM (25.9 km)
Construction & History
- Year Built
- 1947
- Heritage Status
- National Register of Historic Places listed place
References & Identifiers
- Wikipedia
- Read on Wikipedia →
- Wikidata
- Q7371061 →
- OpenStreetMap
- View on OSM →
Tower & Structure
- Tower Height
- 18m
Location
- City
- Round Channel in the Straits of Mackinac, MI
- Country
- 🇺🇸US
- Latitude
- 45.8429°
- Longitude
- -84.6152°
Nearby Vessels
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