This is a list of mountains in the state of Montana. Montana is the fourth largest state in the United States and is particularly mountainous. The name "Montana" means mountainous in Latin. Representative James Mitchell Ashley (R-Ohio), suggested the name when legislation organizing the territory was passed by the United States Congress in 1864. Ashley noted that a mining camp in the Colorado Territory had already used the name, and Congress agreed to use the name for the new territory.Aarstad, Rich; Arguimbau, Ellen; Baumler, Ellen; Porsild, Charlene L.; and Shovers, Brian. Montana Place Names From Alzada to Zortman. Helena, Mont.: Montana Historical Society Press 2009, p. xiii.
According to the United States Board on Geographic Names there are at least 2991 named mountains (hills, summits, buttes, peaks, etc.) in Montana. This is a list of lists of named mountain peaks in Montana by county. List of mountains in Beaverhead County, Montana List of mountains in Big Horn County, Montana List of mountains in Blaine County, Montana List of mountains in Broadwater County, Montana List of mountains in Carbon County, Montana List of mountains in Carter County, Montana List of mountains in Cascade County, Montana List of mountains in Chouteau County, Montana List of mountains in Custer County, Montana List of mountains in Daniels County, Montana List of mountains in Dawson County, Montana List of mountains in Deer Lodge County, Montana List of mountains in Fallon County, Montana List of mountains in Fergus County, Montana List of mountains in Flathead County, Montana (A-L) List of mountains in Flathead County, Montana (M-Z) List of mountains in Gallatin County, Montana List of mountains in Garfield County, Montana List of mountains in Glacier County, Montana List of mountains in Golden Valley County, Montana List of mountains in Granite County, Montana List of mountains in Hill County, Montana List of mountains in Jefferson County, Montana List of mountains in Judith Basin County, Montana List of mountains in Lake County, Montana List of mountains in Lewis and Clark County, Montana List of mountains in Liberty County, Montana List of mountains in Lincoln County, Montana (A-L) List of mountains in Lincoln County, Montana (M-Z) List of mountains in Madison County, Montana List of mountains in McCone County, Montana List of mountains in Meagher County, Montana List of mountains in Mineral County, Montana List of mountains in Missoula County, Montana List of mountains in Musselshell County, Montana List of mountains in Park County, Montana List of mountains in Petroleum County, Montana List of mountains in Phillips County, Montana List of mountains in Pondera County, Montana List of mountains in Powder River County, Montana List of mountains in Powell County, Montana List of mountains in Prairie County, Montana List of mountains in Ravalli County, Montana List of mountains in Richland County, Montana List of mountains in Roosevelt County, Montana List of mountains in Rosebud County, Montana List of mountains in Sanders County, Montana List of mountains in Sheridan County, Montana List of mountains in Silver Bow County, Montana List of mountains in Stillwater County, Montana List of mountains in Sweet Grass County, Montana List of mountains in Teton County, Montana List of mountains in Toole County, Montana List of mountains in Treasure County, Montana List of mountains in Wheatland County, Montana List of mountains in Wibaux County, Montana List of mountains in Valley County, Montana List of mountains in Yellowstone County, Montana
See also List of mountain ranges in Montana Mountain passes in Montana (A-L)
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