Montana Geographic Information Clearinghouse

Notice: Our web presence is changing. Please visit the new Montana State Library Geographic Information website:

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.

Resource List

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

Request Tracker
Request information or data from NRIS

Montana Maps
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...

Find us on Facebook
  • Montana State Library
  • P.O. Box 201800, 1515 East 6th Avenue
  • Helena, MT 59620-1800
  • Phone: (406) 444-3115
  • Fax: (406) 444-0266