Address: Evergreen Mountain Trail is located at the Alderfer/Three Sisters Park, accessible via Buffalo Park Road, Evergreen, CO 80439, USA. About the place: Mount Falcon Castle Trail, located in Mount Falcon Park near Morrison, Colorado, is a historic and scenic hiking destination offering sweeping views of the Denver skyline and the surrounding Front Range. Follow the road to the park entrance, where you’ll find parking areas and trailheads for various hiking routes, including the Castle Trail leading to the castle ruins.