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. We will be adjusting our list in the near future.
Note: Lower in elevation than Columbia Point, hence unranked, this "false summit" has an interpolated elevation. This false summit lies between the ranked "Obstruction Peak" (13,799) and "Columbia Point, 13,980 ft. To reach Columbia Pt. you will need to pass over the summit of Kitty Kat Carson.