Spring Point Ledge Light
Spring Point Ledge Light is a sparkplug lighthouse in South Portland, Maine, that marks a dangerous obstruction on the west side of the main shipping channel into Portland Harbor. It is now adjacent to the campus of Southern Maine Community College.
| Location | Spring Point Ledge, Portland Harbor, South Portland, Maine |
|---|---|
| Coordinates | 43°39′07.61″N 70°13′26.06″W |
| Tower | |
| Constructed | 1897 |
| Foundation | Brick/Iron caisson |
| Construction | Cast iron with brick |
| Automated | 1960 |
| Shape | Conical "Spark Plug" |
| Markings | White on black pier with black lantern |
| Heritage | National Register of Historic Places listed place |
| Fog signal | HORN: 1 every 10s |
| Light | |
| First lit | 1897 |
| Focal height | 54 feet (16 m) |
| Lens | Fifth order Fresnel lens |
| Range | White 12 nautical miles (22 km; 14 mi), Red 10 nautical miles (19 km; 12 mi) |
| Characteristic | Flashing white 6s with two red sectors. |
Spring Point Ledge Light Station | |
| Architect | US Army Corps of Engineers |
| MPS | Light Stations of Maine MPS |
| NRHP reference No. | 87002279 |
| Added to NRHP | January 21, 1988 |
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