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  1. Colorado Trail Explorer (COTREX)

    Colorado’s Official Trails App – Discover & explore Colorado’s unique trail experiences. COTREX offers the most comprehensive trail map available for the state of Colorado and is built atop …

  2. Map - COTREX

    The Colorado Trail Explorer online map and its underlying geospatial data are intended to depict physical features as they generally appear on the ground and are not intended to be used to …

  3. About - COTREX

    The Colorado Trail Explorer (COTREX) endeavors to map every trail in the state of Colorado in support of the Colorado the Beautiful Initiative.

  4. Featured Routes - COTREX

    The Colorado Trail Explorer online map and its underlying geospatial data are intended to depict physical features as they generally appear on the ground and are not intended to be used to …

  5. @COTREX on COTREX

    Mar 22, 2025 · View the profile of @COTREX (Colorado Trail Explorer) on COTREX to see their 11 recorded outdoor trips and 34 field notes.

  6. Popular Areas | COTREX

    The Colorado Trail Explorer online map and its underlying geospatial data are intended to depict physical features as they generally appear on the ground and are not intended to be used to …

  7. Challenges - COTREX

    Explore and share Colorado’s beautiful outdoors by recording Field Notes with the mobile app to complete challenges and earn badges. Download the apps here:

  8. Cherry Creek Trail - COTREX

    COTREX is a project by the Colorado DNR and Colorado Parks and Wildlife.

  9. Rattlesnake Arches Out & Back · Featured Route | COTREX

    Rattlesnake Canyon provides outstanding opportunities for solitude and primitive recreation. Geologic features in this area include arches, spires, windows, giant alcoves and desert …

  10. Hessie Trailhead - COTREX

    COTREX is a project by the Colorado DNR and Colorado Parks and Wildlife.