Digital Dufour Map
The Topographical Map 1:100'000 (Dufour Map) is the first modern official map series of Switzerland.
![Digital Dufour Map: topographical Map (Dufour Map 1:100,000)](https://prod-swisstopoch-hcms-sdweb.imgix.net/2023/11/23/9cb6d680-f557-4f44-8103-d0d93c5f6d97.jpeg?auto=format)
Federal Office of Topography swisstopo
Topography - Geodata Distribution
Seftigenstrasse 264
3084 Wabern
Seftigenstrasse 264
3084 Wabern