There are at least 20 named mountains in Valley County, Montana.
- Castle Butte, 47°49′31″N 107°23′18″W / 47.82528°N 107.38833°W / 47.82528; -107.38833 (Castle Butte), el. 2,917 feet (889 m)[1]
- Coal Mine Hill, 48°52′55″N 106°30′45″W / 48.88194°N 106.51250°W / 48.88194; -106.51250 (Coal Mine Hill), el. 3,304 feet (1,007 m)[2]
- Dead Mans Hill, 48°12′52″N 107°16′43″W / 48.21444°N 107.27861°W / 48.21444; -107.27861 (Dead Mans Hill), el. 2,395 feet (730 m)[3]
- Glass Hill, 48°52′57″N 106°15′47″W / 48.88250°N 106.26306°W / 48.88250; -106.26306 (Glass Hill), el. 3,150 feet (960 m)[4]
- Graveyard Hill, 47°46′54″N 106°52′22″W / 47.78167°N 106.87278°W / 47.78167; -106.87278 (Graveyard Hill), el. 2,726 feet (831 m)[5]
- Johnnys Hill, 48°44′17″N 106°05′12″W / 48.73806°N 106.08667°W / 48.73806; -106.08667 (Johnnys Hill), el. 3,051 feet (930 m)[6]
- Kaminski Hill, 48°56′54″N 106°11′38″W / 48.94833°N 106.19389°W / 48.94833; -106.19389 (Kaminski Hill), el. 3,107 feet (947 m)[7]
- Landre Hills, 48°33′37″N 106°56′07″W / 48.56028°N 106.93528°W / 48.56028; -106.93528 (Landre Hills), el. 2,595 feet (791 m)[8]
- Laundry Hill, 48°32′18″N 106°49′45″W / 48.53833°N 106.82917°W / 48.53833; -106.82917 (Laundry Hill), el. 2,963 feet (903 m)[9]
- Lighthouse Hill, 48°53′03″N 106°49′02″W / 48.88417°N 106.81722°W / 48.88417; -106.81722 (Lighthouse Hill), el. 2,746 feet (837 m)[10]
- Lookout, 48°29′28″N 106°24′07″W / 48.49111°N 106.40194°W / 48.49111; -106.40194 (Lookout), el. 2,986 feet (910 m)[11]
- Murray Hill, 47°48′37″N 107°02′39″W / 47.81028°N 107.04417°W / 47.81028; -107.04417 (Murray Hill), el. 2,877 feet (877 m)[12]
- Round Butte, 48°53′39″N 106°21′52″W / 48.89417°N 106.36444°W / 48.89417; -106.36444 (Round Butte), el. 3,159 feet (963 m)[13]
- Round Butte, 48°53′44″N 106°35′22″W / 48.89556°N 106.58944°W / 48.89556; -106.58944 (Round Butte), el. 2,946 feet (898 m)[14]
- Seventh Point Buttes, 47°49′54″N 106°41′39″W / 47.83167°N 106.69417°W / 47.83167; -106.69417 (Seventh Point Buttes), el. 2,651 feet (808 m)[15]
- Spencer Point, 48°15′53″N 107°16′08″W / 48.26472°N 107.26889°W / 48.26472; -107.26889 (Spencer Point), el. 2,411 feet (735 m)[16]
- Three Buttes, 48°08′33″N 105°55′33″W / 48.14250°N 105.92583°W / 48.14250; -105.92583 (Three Buttes), el. 2,300 feet (700 m)[17]
- Tiger Butte, 48°07′31″N 106°31′56″W / 48.12528°N 106.53222°W / 48.12528; -106.53222 (Tiger Butte), el. 2,339 feet (713 m)[18]
- Two Buttes, 47°58′23″N 106°46′40″W / 47.97306°N 106.77778°W / 47.97306; -106.77778 (Two Buttes), el. 2,244 feet (684 m)[19]
- White Highland Hills, 48°44′56″N 106°06′18″W / 48.74889°N 106.10500°W / 48.74889; -106.10500 (White Highland Hills), el. 3,094 feet (943 m)[20]
- ^ "Castle Butte". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Coal Mine Hill". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Dead Mans Hill". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Glass Hill". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Graveyard Hill". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Johnnys Hill". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Kaminski Hill". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Landre Hills". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Laundry Hill". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Lighthouse Hill". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Lookout". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Murray Hill". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Round Butte". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Round Butte". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Seventh Point Buttes". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Spencer Point". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Three Buttes". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Tiger Butte". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "Two Buttes". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.
- ^ "White Highland Hills". Geographic Names Information System. United States Geological Survey, United States Department of the Interior.