The long road to the topographical landscape model TLM
In December 2019, the development of the topographical landscape model (TLM) was officially completed. A look back to the early days of digitalisation at swisstopo in the 1960s shows how deeply rooted this achievement is in long-term efforts.

Federal Office of Topography swisstopo
Infodesk history
Seftigenstrasse 264
3084 Wabern
Seftigenstrasse 264
3084 Wabern