DescriptionLolo may be derived from the Chinook word for “pack” or “carry,” the Nez Perce word for “muddy water,” or a corruption of the French name for Meriwether Lewis, “Le Louis.” Elevation: 9,139 ft. Location: Missoula CountyContributing InstitutionMontana Historical Society Library and ArchivesGeolocation[1] Elevation9139 ft.CountyMissoula County