Boulder County GIS
Consists of information of Boulder County GIS including shapefile downloads of various themes.
Colorado Counties Inc.
Provides information about Colorado counties, legislative issues, and services provided by CCI.
DRG Download for Colorado
The Colorado Virtual Library
Find information on Colorado state libraries, including resources, locations, and geospatial data.
GIS in the Rockies
Annual fall conference where GIS professionals in the Rocky Mountain region share experiences and learn what's new.
City of Grand Junction GIS
Links to Colorado Counties
Links to all active Colorado local governments
Natural Diversity Information Source (NDIS)
Provides mapping, data, information, and links to similar websites concerning hunting, fishing, wildlife, habitat, and conservation planning issues in Colorado.
Niwot Green Ridge GIS Database
Niwot Ridge LTER Green Lakes Valley GIS Database DEM and Orthophotos.
San Luis Valley GIS/GPS Authority
Providing GIS and GPS services and data to south-central Colorado.
The Society for Conservation GIS (SCGIS)
A non-profit organization that builds community, provides knowledge, and supports individuals using Geographic Information Systems (GIS) and science for the conservation of natural resources and cultural heritage.
Southwest Data Center
The Data Center's goal is to develop and provide GIS data online, including a regional data section.