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The Boulder River is a tributary of the Yellowstone River, approximately 60 mi (96 km) long, in south central Montana in the United States. It is one of two rivers named the Boulder River in Montana.

Boulder River
A section of the upper Boulder River
Location
Country	Park and Sweet Grass County, Montana
Physical characteristics
Source
• coordinates	45°10′25″N 110°13′31″W[1]
Mouth
• coordinates	45°51′10″N 109°55′25″W[1]
• elevation	4,003 feet (1,220 m)[1]
Basin features
River system	Yellowstone River

It rises in the Gallatin National Forest in the Absaroka Range in southern Park County. It flows north through mountainous canyons, a cataract under a natural bridge, and northwest in a widening valley past McLeod. It joins the Yellowstone at Big Timber. The landscape of the Boulder River and river valley has merited the filming of two movies: A River Runs Through It and The Horse Whisperer.[2]

Discharges

River	Location	Discharge
East Boulder River	near McLeod	80 cu ft/s (2.3 m3/s)[3]
West Boulder River	McLeod	189 cu ft/s (5.4 m3/s)[4]
Boulder River	Big Timber	563 cu ft/s (15.9 m3/s)[5]

Tourism

The river is a popular destination for fly fishing. Other attractions in the valley include several church camps, a guest ranch, and several USFS campgrounds. The Forest Service also maintains several guard stations, trailheads, and picnic areas in the valley.[6]

Variant names

The Boulder River has also been known as: Rivers a Cross, Rivers across, and Rivers-across.[1] And, to distinguish it from the other Boulder River in Montana, it is sometimes called the "East Boulder River" (as it is east of the other) or the "Boulder Fork of the Yellowstone," parallel with the Clark's Fork of the Yellowstone as differentiated from the Clark's Fork River of Western Montana.

See also

• List of rivers of Montana
• Montana Stream Access Law

References

На других языках

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[de] Boulder River (Yellowstone)

Der Boulder River (ehemals auch Rivers a Cross[3] oder Rivers across[3] oder Rivers-across[3]) ist ein schnell fließender Gebirgsfluss mittlerer Größe im südlichen US-Bundesstaat Montana.

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- [en] Boulder River (Sweet Grass County, Montana)

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