The geographical centre of Switzerland has the coordinates 46°48′4″N 8°13′36″E. It is located at Älggi-Alp in the municipality of Sachseln, Obwalden. The point is the centre of mass determined in 1988 by Swisstopo. As the point is difficult to access, a stone was set 500 m further south-east on Älggi Alp.