UN 13,015 (formerly UN 13,020 interpolated) near Maroon Lake and Willow Pass has been determined to be no longer a ranked summit per Lidar evaluation, which gives it 292 ft. of prominence. This has reduced the total number of ranked 13ers from 584 to 583.
Twin Peaks is a named but unranked summit located on the NE ridge of the ranked, Rinker Peak (13,783) about a mile away. The trailhead can be easily reached by most any passenger vehicle. The ascent is a Class 2 with some bushwhacking. Our suggested route for climbing Rinker takes hikers over the summit of Twin Peaks. Please visit the page for Rinker Peak to obtain further details about Twin Peaks. Lidar adding 8 feet to this summit still did not boost it into ranked status.