has abstract
| - There are 34 named rapids in Montana. A rapid is a section of a river where the river bed has a relatively steep gradient causing an increase in water velocity and turbulence. A rapid is a hydrological feature between a run (a smoothly flowing part of a stream) and a cascade. A rapid is characterised by the river becoming shallower and having some rocks exposed above the flow surface. As flowing water splashes over and around the rocks, air bubbles become mixed in with it and portions of the surface acquire a white colour, forming what is called "whitewater". Rapids occur where the bed material is highly resistant to the erosive power of the stream in comparison with the bed downstream of the rapids.
* Big Horn River
* , Big Horn County, Montana, 45°37′47″N 107°40′23″W / 45.62972°N 107.67306°W, el. 2,943 feet (897 m)
* Clark Fork River
* , Missoula County, Montana, 46°57′12″N 113°37′17″W / 46.95333°N 113.62139°W, el. 3,478 feet (1,060 m)
* Missouri River
* , Prairie County, Montana, 46°42′30″N 105°28′32″W / 46.70833°N 105.47556°W, el. 2,215 feet (675 m)
* , Blaine County, Montana, 47°43′29″N 109°27′11″W / 47.72472°N 109.45306°W, el. 2,375 feet (724 m)
* , Blaine County, Montana, 47°46′48″N 109°09′43″W / 47.78000°N 109.16194°W, el. 2,326 feet (709 m)
* , Chouteau County, Montana, 47°54′43″N 110°28′18″W / 47.91194°N 110.47167°W, el. 2,559 feet (780 m)
* , Cascade County, Montana, 47°10′00″N 111°50′03″W / 47.16667°N 111.83417°W, el. 3,389 feet (1,033 m)
* , Blaine County, Montana, 47°47′43″N 109°05′23″W / 47.79528°N 109.08972°W, el. 2,313 feet (705 m)
* , Blaine County, Montana, 47°47′38″N 109°15′04″W / 47.79389°N 109.25111°W, el. 2,342 feet (714 m)
* , Blaine County, Montana, 47°47′38″N 109°14′26″W / 47.79389°N 109.24056°W, el. 2,336 feet (712 m)
* , Fergus County, Montana, 47°44′36″N 109°22′47″W / 47.74333°N 109.37972°W, el. 2,359 feet (719 m)
* , Chouteau County, Montana, 47°43′14″N 109°41′43″W / 47.72056°N 109.69528°W, el. 2,411 feet (735 m)
* , Cascade County, Montana, 47°10′15″N 111°49′11″W / 47.17083°N 111.81972°W, el. 3,396 feet (1,035 m)
* , Fergus County, Montana, 47°43′43″N 109°27′58″W / 47.72861°N 109.46611°W, el. 2,375 feet (724 m)
* , Sanders County, Montana, location unknown, 6,450 feet (1,970 m)
* , Chouteau County, Montana, 47°44′54″N 109°34′32″W / 47.74833°N 109.57556°W, el. 2,415 feet (736 m)
* , Chouteau County, Montana, 47°51′31″N 110°04′21″W / 47.85861°N 110.07250°W, el. 2,474 feet (754 m)
* , Blaine County, Montana, 47°43′15″N 109°25′21″W / 47.72083°N 109.42250°W, el. 2,369 feet (722 m)
* , Blaine County, Montana, 47°47′34″N 109°16′21″W / 47.79278°N 109.27250°W, el. 2,349 feet (716 m)
* , Cascade County, Montana, 47°10′40″N 111°48′43″W / 47.17778°N 111.81194°W, el. 3,379 feet (1,030 m)
* , Blaine County, Montana, 47°47′35″N 109°12′58″W / 47.79306°N 109.21611°W, el. 2,333 feet (711 m)
* , Blaine County, Montana, 47°44′23″N 109°30′23″W / 47.73972°N 109.50639°W, el. 2,388 feet (728 m)
* , Chouteau County, Montana, 47°45′11″N 109°53′09″W / 47.75306°N 109.88583°W, el. 2,447 feet (746 m)
* , Fergus County, Montana, 47°43′33″N 108°51′58″W / 47.72583°N 108.86611°W, el. 2,270 feet (690 m)
* , Cascade County, Montana, 47°10′55″N 111°48′24″W / 47.18194°N 111.80667°W, el. 3,379 feet (1,030 m)
* , Cascade County, Montana, 47°36′35″N 111°02′53″W / 47.60972°N 111.04806°W, el. 2,776 feet (846 m)
*
* , Sweet Grass County, Montana, 46°02′06″N 110°16′59″W / 46.03500°N 110.28306°W, el. 8,061 feet (2,457 m)
* Yellowstone River
* , Custer County, Montana, 46°30′20″N 105°44′09″W / 46.50556°N 105.73583°W, el. 2,303 feet (702 m)
* , Prairie County, Montana, 46°51′10″N 105°02′12″W / 46.85278°N 105.03667°W, el. 2,113 feet (644 m)
* , Custer County, Montana, 46°33′40″N 105°37′47″W / 46.56111°N 105.62972°W, el. 2,270 feet (690 m)
* , Prairie County, Montana, 46°48′03″N 105°15′07″W / 46.80083°N 105.25194°W, el. 2,159 feet (658 m)
* , Stillwater County, Montana, 45°35′04″N 109°06′38″W / 45.58444°N 109.11056°W, el. 3,474 feet (1,059 m)
* , Prairie County, Montana, 46°51′15″N 105°08′42″W / 46.85417°N 105.14500°W, el. 2,129 feet (649 m)
* , Prairie County, Montana, 46°45′47″N 105°25′52″W / 46.76306°N 105.43111°W, el. 2,195 feet (669 m) (en)
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