Split Rock Lighthouse

Split Rock Lighthouse

Split Rock Lighthouse lit at sunset, 2010
Location	Split Rock Lighthouse State Park, Beaver Bay Township, Lake County, Minnesota
Coordinates	47°12′00″N 91°22′01″W / 47.20005°N 91.3669°W / 47.20005; -91.3669
Tower
Foundation	stone
Construction	brick
Height	54-foot (16 m) tower on a 130-foot (40 m) cliff
Shape	Octagonal
Heritage	National Historic Landmark, National Register of Historic Places listed place
Light
First lit	1910
Deactivated	1969
Focal height	40 m (130 ft)
Lens	3rd order, bi-valve type Fresnel lens
Range	22 nautical miles (41 km; 25 mi)
Characteristic	0.5-second flash every 9.5 seconds
Split Rock Lighthouse
U.S. National Register of Historic Places
U.S. National Historic Landmark
Nearest city	Two Harbors, Minnesota
NRHP reference No.	69000073
Significant dates
Added to NRHP	June 23, 1969[1]
Designated NHL	June 23, 2011
History Museum in Two Harbors, Minnesota USA Split Rock Lighthouse museum
Visitors at Split Rock Lighthouse. Fog Horn House in the foreground.
Established	1969
Location	3713 Split Rock Lighthouse Rd., Two Harbors, Minnesota USA
Coordinates	47°12′00″N 91°22′01″W / 47.20005°N 91.3669°W / 47.20005; -91.3669
Type	History Museum
Visitors	160,000 [2]
Employees	Hayes Scriven, Lighthouse Keeper [3]
Website	https://www.mnhs.org/splitrock/

Split Rock Lighthouse is a lighthouse located southwest of Silver Bay, Minnesota, US on the North Shore of Lake Superior. The structure was designed by lighthouse engineer Ralph Russell Tinkham and was completed in 1910 by the United States Lighthouse Service for $75,000, including the buildings and the land. It is considered one of the most picturesque lighthouses in the United States.