Oravivuori Struve Geodetic Arc Point
Keski-Suomi
Oravivuori is a notable hill located in Puolakka near Lake Päijänne in the former municipality of Korpilahti, Jyväskylä, Finland. It stands at 193 meters above sea level and hosts a roughly ten-meter-tall triangulation tower that also serves as a viewing platform. This tower is part of the Struve Geodetic Arc, a chain of survey triangulations stretching from Norway to the Black Sea, used in the 19th century to measure the exact size and shape of the Earth. Oravivuori is one of six protected Struve Arc points in Finland and was visited by the expedition led by Wilhelm von Struve in 1834. The site combines historical geodetic significance with natural beauty, offering panoramic views from the tower. Its protection underlines its importance in the history of geodesy and scientific surveying.
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Astuce: The best time to visit Oravivuori is during late spring to early autumn when weather conditions allow clear views from the triangulation tower. Visitors are encouraged to check local access conditions in advance. Since it is a protected heritage site, respect for the environment and preservation rules is important. There are no entrance fees, but guided tours or information might be available locally. Visitors interested in geodesy or history will find the site particularly rewarding.
Faits intéressants
- •Oravivuori is one of only six protected Struve Geodetic Arc points in Finland.
- •The triangulation tower on Oravivuori also functions as a viewing tower approximately ten meters tall.
- •Wilhelm von Struve's expedition visited Oravivuori in 1834 as part of the geodetic survey.
- •The Struve Geodetic Arc is a UNESCO World Heritage Site representing a significant scientific achievement in measuring the Earth's shape.
Histoire
Oravivuori's geodetic significance dates back to 1834 when Wilhelm von Struve's expedition included it as a triangulation point in the Struve Geodetic Arc.
This arc was a pioneering scientific effort to determine the exact shape and size of the Earth through a series of interconnected survey points across Europe.
Over the centuries, Oravivuori has remained well-preserved as one of Finland's six protected points in the arc.
The triangulation tower on the hill serves both as a historical monument and a viewing platform, symbolizing the scientific achievements of the 19th century.
Guide du lieu
Triangulation Tower19th century
A roughly ten-meter-high tower that served as a geodetic survey point and now functions as a viewing platform offering panoramic views of the surrounding landscape.