Mount Massive edges out the third - highest summit of the Rockies , Mount Harvard , by 7 feet ( 2.1 m ) .
Mount Massive falls short of Mount Elbert by 12 feet ( 3.7 m ) .
Mount Massive edges out the third - highest summit of the Rockies , Mount Harvard , by 7 feet ( 2.1 m ) , but falls short of Mount Elbert by 12 feet ( 3.7 m ) .