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Published on 7 November 2023

Eggstock - The volumetric centre of Switzerland

This centre point is a symbol of the technological development which swisstopo has been involved in since its 150th anniversary in 1988. At that time the “geographic centre of Switzerland” was marked with a triangulation point on Alp Älggi to the south of Sachseln. The calculation was based on the national borders, which had then just been digitised for the first time and were one of the first data sets which hinted at the possibility that, in the digital age to come, the organisation would be using geodata as well as maps.

Volumetric centre of Switzerland, marked on the national map.

Federal Office of Topography swisstopo

Infodesk history
Seftigenstrasse 264
3084 Wabern