Updating the national maps
swisstopo updates its map data continuously. The updating of the national maps follows the revision of the Topographic Landscape Model TLM which provides the basis for the national maps in digital and analogue form.
Federal Office of Topography swisstopo
Division Cartography
Seftigenstrasse 264
3084 Wabern
Seftigenstrasse 264
3084 Wabern