Spring Point Ledge Light

Spring Point Ledge Light
LocationSpring Point Ledge, Portland Harbor, South Portland, Maine
Coordinates43°39′07.61″N 70°13′26.06″W / 43.6521139°N 70.2239056°W / 43.6521139; -70.2239056
Tower
Constructed1897 (1897)
FoundationBrick/Iron caisson
ConstructionCast iron with brick
Automated1960
ShapeConical "Spark Plug"
MarkingsWhite on black pier with black lantern
HeritageNational Register of Historic Places listed place 
Fog signalHORN: 1 every 10s
Light
First lit1897
Focal height54 feet (16 m)
LensFifth order Fresnel lens
RangeWhite 12 nautical miles (22 km; 14 mi), Red 10 nautical miles (19 km; 12 mi)
CharacteristicFlashing white 6s with two red sectors.
Spring Point Ledge Light Station
ArchitectUS Army Corps of Engineers
MPSLight Stations of Maine MPS
NRHP reference No.87002279
Added to NRHPJanuary 21, 1988

Spring Point Ledge Light is a sparkplug lighthouse in South Portland, Maine, which 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. It was constructed in 1897 and automated in 1960.