Data and Maps

• Data List
• Digital Atlas
• Data Bundler
• Cadastral Mapping
• Natural Heritage Map Viewer
• Flathead Basin 2009 Mapping Project
• Yellowstone River Map Viewer
• Watershed Subbasin Maps
• MCPD – Multi-state Control Point Database

Natural Resource and Water

• Today's Air
• Department of Environmental Quality’s Online Query Service
• Mapping DEQ's Data
• Mapping Montana Department of Environmental Quality Data
• Montana Drought Impacts (Water Year 2019) Report
• Montana Hydrography Edit Request Viewer
• Montana Water Rights Query System
• Montana Source Water Protection Program Query
• Groundwater Information Center (GWIC)
• Clean Water Act Information Center (CWAIC)
• Montana Fisheries Information System
• NOAA National Climate Data Center
• NRCS National Water and Climate
• Ecological Site Reviewer
• MesoWest Surface Weather Maps

Subject Guides

• Montana Field Guide
• Montana Place Names Companion
• Montana Hunting Companion
• Montana Fishing Companion
• Montana Wilderness Companion

Tools

• Web Map Services
• Montana State Plane Coordinate Conversion