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Struve Geodetic Arc
Ensemble of memorable sites
Hammerfest Meridianstein.jpg
The northernmost station of the Struve Geodetic Arc is located in Fuglenes, Norway.
Countries Estonia, Belarus, Finland, Latvia, Lithuania, Norway, Moldova, Russia, Sweden, Ukraine
Landmarks Fuglenes, Staro-Nekrassowka
Seas Arctic Ocean, Baltic Sea, Black Sea
Coordinates 59°3′28″N 26°20′16″E / 59.05778°N 26.33778°E / 59.05778; 26.33778
Length 2,820,000 m (9,251,969 ft), north-south
Author Friedrich Georg Wilhelm von Struve
Founded Geodetic Arc
Date 1855
UNESCO World Heritage Site
Name Struve Geodetic Arc
Year 2005 (#29)
Number 1187
Region Europe and North America
Criteria ii, iii, vi
Tartu Observatory 2008
Tartu Old Observatory, the first point of the arc.
Commemorative plaque Struve Geodetic Arc Baranivka
The commemorative plaque of the arc in Baranivka, Ukraine

The Struve Geodetic Arc is a chain of survey triangulations that go from Hammerfest in Norway to the Black Sea. They go through ten countries and over 2,820 km. It made the first accurate measurement of a meridian arc.

The chain was made and used by the German-born Russian scientist Friedrich Georg Wilhelm von Struve in the years 1816 to 1855. He did this to find the exact size and shape of the earth. At that time, the chain passed through two countries: Union of Sweden-Norway and the Russian Empire. The Arc's first point is in Tartu Observatory. This is where Struve did much of his research.

In 2005, the chain was added on the World Heritage List. There are 34 plaques or obelisks out of the original 265.



  • Fuglenes in Hammerfest
  • Raipas in Alta
  • Luvdiidcohkka in Kautokeino
  • Baelljasvarri in Kautokeino











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