Notice: Our web presence is changing.
Please visit the new Montana State Library Geographic Information website: http://geoinfo.montanastatelibrary.org
Welcome to the most comprehensive collection of geospatial data for Montana. NRIS contributes
data to national efforts such as GeoSpatial One Stop and the National Map.
We actively support GIS coordination in our state and work hard to provide value-added products
and services to a diverse community of users.
Downloadable GIS Data
NEW! GIS Data List
This is our new search interface for data available in the Montana GIS Portal.
GIS Data Bundler
Choose multiple layers and have them clipped to a geographic area or buffer.
Web Services for GIS Applications
Downloadable statewide, county, watershed, or regional map images in a variety of formats.
Montana Digital Atlas
Make maps and reports about individual data sets for areas you specify.
Browse USGS topographic maps and aerial photos or zoom to any named place, coordinate, or USGS map.
More interactive applications...