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.
Know Before You Go - Closures of areas can change quickly (even daily or hourly) & your outdoor destination or access route may be affected. Prior to heading out, learn about closures and plan alternative routes. More information:
Road Closures and Alerts.
Need more information on Trails? Drop an email to