List of mountains in Yellowstone County, Montana
# List of mountains in Yellowstone County, Montana

There are at least 17 named mountains in Yellowstone County, Montana.

* Bender Hill, 46°16′13″N 107°38′58″W﻿ / ﻿46.27028°N 107.64944°W﻿ / 46.27028; -107.64944﻿ (Bender Hill), el. 3,425 feet (1,044 m)
* Castle Butte, 46°08′26″N 107°56′58″W﻿ / ﻿46.14056°N 107.94944°W﻿ / 46.14056; -107.94944﻿ (Castle Butte), el. 3,537 feet (1,078 m)
* Deer Point, 45°58′59″N 108°18′15″W﻿ / ﻿45.98306°N 108.30417°W﻿ / 45.98306; -108.30417﻿ (Deer Point), el. 3,268 feet (996 m)
* Fivemile Hill, 46°11′26″N 107°34′45″W﻿ / ﻿46.19056°N 107.57917°W﻿ / 46.19056; -107.57917﻿ (Fivemile Hill), el. 3,363 feet (1,025 m)
* Lookout Point, 46°11′48″N 108°02′11″W﻿ / ﻿46.19667°N 108.03639°W﻿ / 46.19667; -108.03639﻿ (Lookout Point), el. 3,625 feet (1,105 m)
* Mail Box Hill, 46°20′22″N 107°45′27″W﻿ / ﻿46.33944°N 107.75750°W﻿ / 46.33944; -107.75750﻿ (Mail Box Hill), el. 3,527 feet (1,075 m)
* McCormick Hill, 45°32′17″N 108°33′20″W﻿ / ﻿45.53806°N 108.55556°W﻿ / 45.53806; -108.55556﻿ (McCormick Hill), el. 4,472 feet (1,363 m)
* Mexican Buttes, 46°17′04″N 107°40′50″W﻿ / ﻿46.28444°N 107.68056°W﻿ / 46.28444; -107.68056﻿ (Mexican Buttes), el. 3,451 feet (1,052 m)
* Mud Butte, 46°12′56″N 107°48′52″W﻿ / ﻿46.21556°N 107.81444°W﻿ / 46.21556; -107.81444﻿ (Mud Butte), el. 3,235 feet (986 m)
* Ninemile Hill, 45°50′58″N 108°34′50″W﻿ / ﻿45.84944°N 108.58056°W﻿ / 45.84944; -108.58056﻿ (Ninemile Hill), el. 3,478 feet (1,060 m)
* Ninemile Hill, 46°15′15″N 107°38′14″W﻿ / ﻿46.25417°N 107.63722°W﻿ / 46.25417; -107.63722﻿ (Ninemile Hill), el. 3,468 feet (1,057 m)
* Rattlesnake Butte, 45°54′28″N 108°26′17″W﻿ / ﻿45.90778°N 108.43806°W﻿ / 45.90778; -108.43806﻿ (Rattlesnake Butte), el. 3,346 feet (1,020 m)
* Round Butte, 45°33′54″N 108°45′38″W﻿ / ﻿45.56500°N 108.76056°W﻿ / 45.56500; -108.76056﻿ (Round Butte), el. 4,071 feet (1,241 m)
* Steamboat Butte, 46°15′10″N 108°06′03″W﻿ / ﻿46.25278°N 108.10083°W﻿ / 46.25278; -108.10083﻿ (Steamboat Butte), el. 3,875 feet (1,181 m)
* Stratford Hill, 45°31′07″N 108°35′54″W﻿ / ﻿45.51861°N 108.59833°W﻿ / 45.51861; -108.59833﻿ (Stratford Hill), el. 4,967 feet (1,514 m)
* Twin Buttes, 46°18′21″N 107°42′37″W﻿ / ﻿46.30583°N 107.71028°W﻿ / 46.30583; -107.71028﻿ (Twin Buttes), el. 3,533 feet (1,077 m)
* Woody Mountain, 45°31′13″N 108°11′57″W﻿ / ﻿45.52028°N 108.19917°W﻿ / 45.52028; -108.19917﻿ (Woody Mountain), el. 4,334 feet (1,321 m)
