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The Best White Water Rafting in Montana

Mark Barnett
Last Updated: February 27th, 2023

The word Montana is synonymous with outdoor adventure. It’s not hard to see this once you get to glimpse the landscapes in some areas of the Big Sky state. This is especially true of those spots containing glaciated mountains surrounded by dense forests with wild, rushing rivers streaming through them.

The wild rivers also attract lots of leisure seekers not only for fishing but also for adrenaline-fueled white water rafting. The landscapes of both Yellowstone and Glacier National Park have white water in their vicinity, and the wild rivers that originate in the parks contain some of the best white water rafting in Montana.

Aside from that, there are several other rivers flowing through Montana’s southern and southwestern regions that also qualify as noteworthy white-water rafting stretches.

If you fancy some thrills and some extra-fast, extra-white foam on your next trip to the Treasure State, keep reading to find out about some of the best white water rafting in Montana.

whitewater rafting boats

Six of the Best Montana White-water Rafting Stretches

  1. The Yellowstone River
  2. The Gallatin River
  3. The Clark Fork River
  4. The Madison River
  5. The Flathead River
  6. The Blackfoot River

1. The Yellowstone River

the yellowstone river
Image: Mike Cline

The rafting season in Big Sky State typically begins around April and continues through September.

Some of the prime times to seek out white water rafting in Montana are reportedly around the time of late spring and early summer so why not start with one of the longest free-flowing rivers in the entire United States.

The Yellowstone River has a dam-free current running close to 700 miles in its entirety from Yellowstone National Park to North Dakota.

For many, this river epitomizes the landscape and scenery of Montana, from the relatively calm rafting down the river’s gentle rapids near Billings to the more challenging stretches in the region of Paradise Alley.

Yankee Jim Canyon is one of the most renowned runs of challenging white water in the river a Class III stretch of prime Montana white water featuring individually-named rapids like ‘Yankee Jim’s Revenge’.

Some stretches of the Yellowstone River have particular energy to them throughout the summer months that attracts white water adventure enthusiasts from all over.

A good place to start is just outside the national park’s east entrance in Gardiner, where the river runs through Paradise Valley and is surrounded by the highly-picturesque Absaroka Mountains.

2. The Gallatin River

the gallatin river
Image: Yellowstone National Park

The Gallatin River stretches for more than 100 miles through Montana’s southern regions of Yellowstone Country.

The Gallatin is another river with its source in Yellowstone National Park although this one winds up at the Missouri River in Three Forks.

Some stretches of this rather scenic river provide access to a few sections of the state’s iconic white water. Most outfitters who operate along the Gallatin will likely start out from Big Sky, where you can jump onto either a half or full-day white water rafting excursion.

Two main sections of the river capture the attention of most rafters. Certainly, the lower section is the most challenging and features the ‘Mad Mile’ and ‘House Rock’ Rapids. This latter, funky-sounding rapid is one of many Class III-IV rapids common to this iconic section, particularly throughout June and July.

The upper section is slightly less adrenaline-fueled than the lower and is probably more about the impressive mountain scenery.

Rafters can employ the expert services of local outfitters for both half and full-day trips, many of which tend to operate along the rocky Gallatin River Canyon where there are plenty of chances of seeing wildlife.

3. The Clark Fork River

the clark fork river

The Clark Fork River has just a small section of white water. To be more specific, most people associate white water and rafting on the Clark Fork with the Class III rapids in Alberton Gorge.

Alberton Gorge is a section along the river just over thirty miles from Missoula. This short but well-renowned and exciting stretch of waterway contains plenty of adrenaline-inducing rapids. It also comes interspersed with picturesque sections of calmer flatwater.

The main options for public launching into Alberton Gorge are from the town of Alberton itself, while many boaters also start out near the Cyr Bridge.

A popular 12-mile route along this section is from Cyr Bridge to the Tarkio Fishing Access Point. This stretch includes Class III-IV rapids year-round along a scenic river surrounded by geographical features like cliffs, river shelves, and huge boulders.

You will encounter the big waves of the Class III Triple Bridge Rapid under the final bridge of this stretch of the river. This is quickly followed by the Class IV Tumbleweed at a pinch in the river where there is some very quick water.

The somewhat terrible-sounding Class III Boat Eater is also in there somewhere, as is Fang, a renowned Class IV that means it’s time to be on the lookout for large flip-worthy waves coming from all angles.