The Colorado Trail System (CTS) endeavors to map every trail in the state of Colorado. CTS intends to serve as the connection between people, trails, and technology by coordinating the efforts of federal, state, county, and local agencies to create a comprehensive and authoritative repository of recreational trails for public use.
Find out more.
Discover how to use the Colorado Trail Explore maps. Get started with a quick COTREX tutorial.
Learn more about CTS
Get the latest on the CTS mapping project and find links to all related content.
CTS is only as good as the data within it. So learn about the agencies CPW is partnering with.
Since CTS is an ongoing effort, find out what we’re working on today and provide input on where CTS goes next.
Need more information? Drop an email to