Difficult - For a classic full-day outing, Sneffels Highline offers a strenuous loop. Start on the Jud Weibe trail from Aspen Street, and after hiking for 1/2 mile, turn left at the Deep Creek Trail sign. Proceed to the Sneffels Highline Trail sign and turn right. The route progresses above timberline and then down to Mill Creek. Turn left on the Water.