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Difficulty III-V
Length 4 Miles
Gauge Boulder River at Big Timber MT
Flow Range 1000 - 5000 CFS
Flow Rate as of: 6 days ago 410 [CFS] ℹ️
Reach Info Last Updated 07/24/2010 12:16 am

River Description


Hells Canyon of the Boulder is a high quality whitewater run set in a spectacular valley.  A bit of flat water leads to a massive rapid that is a portage for most or all paddlers.  A bit more chill water leads to the class IV/IV+ canyon section.  The rapids are often pretty long and continuous, and several have distinct moves to be made to boof or avoid big holes.  We paddled it at 1600 and the rapids were plenty juicy and distinct.  Flows in the 3500 range are rumored to yeild Class V big water rapids that are long, continuous, and connected.  After 5-10 good rapids the whitewater eases off but remains fun to the takeout. . 

Rapid Descriptions

Comments

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Paul Heffernan
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1 year ago

There are 3-4 new logs across the river in this section. I paddled it at 1400cfs. All wood in this section was new (looked as though the storm the day before was the culprit). Not sure if high water typically clears this section or if logs might remain for a while.

Gauge Description


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Directions Description


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News

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Flathead River Tributaries Get Protection for Christmas (MT)

2019-01-11 14:45:00-05
Kevin Colburn

Wild rivers and their enthusiasts got some good news with the release of the new 15-20 year Forest plan for the Flathead National Forest. The decision newly protects 22 streams as eligible for Wild and Scenic designation, based in large part on the advocacy of American Whitewater and our awesome partners and members in Montana. These protections will serve as a vital steppingstone to the designation of some of our Nation’s most outstanding headwater streams. 

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Appeal Challenging Montana Navigability Is Denied

2003-07-28 00:00:00-04
Jason Robertson

On May 28 the U.S. Supreme Court denied an appeal by Mountain States Legal Foundation who filed a lawsuit in June 2001 alleging the 1985 Montana Stream Access Law violated their rights under the U.S. Constitution to regulate who floated over their land.

The decision thereby protects Montana's Stream access law and public rights of navigation throughout the State.

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River Recreationists Win Big in Montana!

2001-01-09 00:00:00-05
Jason Robertson

The Missoulian newspaper reported on January 5th, 2001 that U.S. District Judge Charles C. Lovell dismissed a case brought by the Mountain States Legal Foundation challenging public recreational rights on Montana’s rivers and streams. This is a huge win for boaters and fishermen!
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Kevin Colburn

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David Schroeder