Waterton Canyon Trail Access provides a popular trailhead with parking lots at the Kassler Center and Discovery Pavilion for accessing the High Line Canal Trail and South Platte River corridor.

The wide, flat gravel service road is suitable for hikers, mountain bikers, horseback riders, and wheelchair users, with an accessible fishing pier located 1. 3 miles into the canyon and multiple picnic areas along the route.

Note that dogs are not permitted, campfires and motorized vehicles are prohibited, and hours are limited to half-hour before sunrise to half-hour after sunset.