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| Location | Oswego, New York |
|---|---|
| Coordinates | 43°28′24″N 76°31′01″W / 43.47332°N 76.51682°W |
| Tower | |
| Constructed | 1880  |
| Foundation | Concrete/masonry caisson |
| Construction | Steel and cast iron |
| Automated | 1968 |
| Height | 57 feet (17 meters) |
| Shape | square |
| Markings | White with red roof and green trim |
| Heritage | National Register of Historic Places listed place |
| Light | |
| First lit | 1934 |
| Focal height | 17.5 m (57 ft) |
| Lens | Fourth Order Fresnel lens (original), Modern optics (current) |
| Range | 9 nmi (17 km; 10 mi) |
| Characteristic | Alternating red and OFF flash every 5 seconds |
Oswego West Pierhead Lighthouse | |
   | |
| Location | Lake Ontario, 0.5 mi. N of Oswego R., Oswego, New York |
| Area | less than one acre |
| Built | 1934 |
| Architectural style | lighthouse |
| NRHP reference No. | 00001468[1] |
| Added to NRHP | December 1, 2000 |
Oswego Harbor West Pierhead Lighthouse is an active aid to navigation located off the coast of Oswego, New York.[2][3] It was built in 1934 to replace an earlier light constructed in 1880. It stands at the end of a 2,000-foot-long (610 m) breakwater at mouth of Oswego River, extending one-half mile (0.80 km) out onto Lake Ontario. It is accessible by boat or from land over the abutting breakwater. It is open to the public for tours during the summer. It is owned by the City of Oswego and operated by the United States Coast Guard. It is listed on the National Register of Historic Places.