Chatfield State Park Access provides multiple entry points to the Highline Canal trail system near Chatfield Reservoir in Douglas County. The main trailhead parking at Roxborough Park Road (mile 6.

5) offers horse trailer parking and picnic facilities, with access to both the Highline Canal trail and Chatfield Park's Centennial Trail for hiking, biking, and horseback riding.

Additional parking is available at the Kassler Center and Discovery Pavilion near Waterton Canyon, though the High Line trail has interruptions between mile 8. 6 and mile 9. 8 that require vehicle repositioning to continue.