DENVER – Colorado Parks and Wildlife and the Colorado Department of Natural Resources teamed up to launch the Colorado Trail Explorer app, a guide to almost 40,000 miles of public trails in the state.

The free app, also called COTREX, uses maps of federal, state, local and private land with public access. It also features trip suggestions as well such as “hikes near Colorado Springs” or “Barr trail.

It features maps for 2,350 trailheads across Colorado and even has challenges for users to complete such as “Waterfalls of Rocky Mountain National Park Challenge” or the “Litter Cleanup Challenge.”

Worried about cell reception? The app allows you to download maps ahead of time for access out of cell range.

“We are excited for Coloradans to download the COTREX app. It’s a great tool for exploring our wide diversity of trails and encouraging more Coloradans to spend time outdoors,” said Alex Dean, Trails and Recreation Project Manager, Colorado Department of Natural Resources.

COTREX also has features to track your activity. It also allows you to take trail notes along the way and interact with a community of other hikers, bikers, horseback riders or ATV enthusiasts.

CLICK HERE to download on Google Play. CLICK HERE to download on iOS.