SW 92 Understen I latitude 60° 16' 29.6" N longitude 18° 55' 7.9" E This light station stands in the northern entrance to the strait connecting the Gulf of Bothnia to the Baltic Sea, west of the Åland Islands; this broad sound is called the Ålands Sea in Sweden. Located on a small island about 9 km northeast of Singö and about 20 km northwest of the westernmost of the Ålands. ARLHS # SWE-402 (C 6288)
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