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Harmaja Lighthouse
Harmaja Lighthouse
Harmaja LighthouseGråhara is located in Finland
Harmaja LighthouseGråhara
Harmaja Lighthouse
Location Helsinki, Finland
Coordinates 60°06′18″N 24°58′32″E / 60.105043°N 24.975506°E / 60.105043; 24.975506
Year first constructed 1883 (first)
Year first lit 1900 (tower raised)
Construction stone basement, cast iron tower
Tower shape cylindrical tower with balcony and lantern on a square basement
Markings / pattern red tower with a horizontal white band, green lantern dome, unpainted basement
Height 15 metres (49 ft)
Focal height 24 metres (79 ft)
Range 14.8 nautical mile Edit this on Wikidata
Characteristic Oc WRG 6s Edit this on Wikidata
Admiralty number C5190
NGA number 14528
ARLHS number FIN-008[1]

Harmaja (Swedish: Gråhara) is an island and a lighthouse outside Helsinki, south of the Suomenlinna sea fortress. The island has been functioning as a landmark since the 16th century. A landmark structure was built on the island in the 18th century and a light house in 1883. The first lighthouse was only 7.3 m high and it soon proved to be too low. In 1900 the height was doubled by creating a rectangular brick building on a granite base. A large foghorn alerted ships in fog and in bad visibility. Harmaja received the world's first directed and undirected radio beacon in 1936. The lighthouse is fully automated today.

There is also a pilot station on the island.

During the 1952 Summer Olympics this was the center of the Olympic sailing event.


  1. ^ The Lighthouse Directory Retrieved January 19, 2016.

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Coordinates: 60°06′16″N 24°58′28″E / 60.10444°N 24.97444°E / 60.10444; 24.97444