Spring Point Ledge Light

Spring Point Ledge Light
Map
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 (127 years ago) (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 Edit this on Wikidata
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[1]
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.[2][3] It is now adjacent to the campus of Southern Maine Community College. It was constructed in 1897 and automated in 1960.

  1. ^ "National Register Information System". National Register of Historic Places. National Park Service. March 13, 2009.
  2. ^ "Historic Light Station Information and Photography: Maine". United States Coast Guard Historian's Office. 2009-08-08. Archived from the original on 2017-05-01.
  3. ^ United States Coast Guard (2009). Light List, Volume I, Atlantic Coast, St. Croix River, Maine to Shrewsbury River, New Jersey. p. 64.