Governement Agencies
www.swisstopo.admin.ch
Federal Office of Topography swisstopo
www.bafu.admin.ch
Federal Office for the Environment FOEN
www.geo.admin.ch
The federal geoportal
www.swisstopo.admin.ch
Federal Office of Topography swisstopo
www.bafu.admin.ch
Federal Office for the Environment FOEN
www.geo.admin.ch
The federal geoportal