Location | Guard Island Tongass Narrows entrance Clarence Strait Alaska United States |
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Coordinates | 55°26′46″N 131°52′52″W / 55.445990°N 131.881165°W |
Tower | |
Constructed | 1904 (first) |
Foundation | Concrete |
Construction | Reinforced concrete |
Automated | 1969 |
Height | 30 feet (9.1 m) |
Shape | Square tower with balcony and lantern on oil house |
Markings | White tower, black lantern |
Operator | United States Coast Guard[1] [2] |
Heritage | National Register of Historic Places listed place |
Light | |
First lit | 1924 (current) |
Focal height | 74 feet (23 m) |
Lens | Fourth Order Fresnel lens |
Range | 17 nautical miles (31 km; 20 mi) |
Characteristic | Fl W 10s. emergency light (Fl W 6s.) of reduced intensity when main light is extinguished. |
Guard Island Lighthouse | |
Alaska Heritage Resources Survey
| |
Nearest city | Ketchikan, Alaska |
Area | 10.4 acres (4.2 ha) |
Architect | J.T. Elliot |
Architectural style | Moderne |
MPS | Light Stations of the United States MPS |
NRHP reference No. | 03001378[3] |
AHRS No. | KET-00025 |
Added to NRHP | January 14, 2004 |
The Guard Island Light is a lighthouse on a small island near the entrance to the Tongass Narrows, in Clarence Strait in southeastern Alaska. The western entrance to the Behm Canal also lies nearby.