O'Fallon Park

O’Fallon Park Upper Loop Trail is a 3.7 mile moderately trafficked loop trail located near Evergreen, Colorado that features beautiful wild flowers and is rated as moderate. The trail offers a number of activity options and is best used from April until October. Dogs are also able to use this trail but must be kept on leash. This trail starts out steep but then levels out and is fairly easy for the rest of the hike. There is one spot in the middle of the loop that you share the trail with mountain bikers but it is mostly a hiker only trail.