Finland Jyväskylä

Struve Geodetic Arc, Oravivuori Triangulation Tower

UNESCO World Heritage site; a chain of survey triangulations stretching 2,820 km, used to determine the shape and size of the Earth.

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The Struve Geodetic Arc is a 19th-century network of survey points that stretches over 2,820 kilometers, from Hammerfest in Norway to the Black Sea. The Oravivuori Triangulation Tower, located in the Jyväskylä region of Finland, is one of the main survey points along the arc. This tower was used to measure the exact shape of the earth and is now a World Heritage Site in Europe, offering visitors a glimpse into the history of geodetic science.

seeker 1 year ago

Struve Geodetic Arc, Oravivuori Triangulation Tower Guides

  • World Heritage Sites in Europe

    seeker (Seeker Editors)
    Throughout the vast continent of Europe, there are endless adventures to uncover. Here is a collection of the most awe-inspiring World Heritage sites across Europe, including mesmerizing landmarks, bustling cities, and gorgeous natural landscapes. Uncover some of the most mysterious and beautiful travel destinations on the planet with this bucket-list-worthy selection.