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Boulder River (Sweet Grass County, Montana)
River in the United States of America
River in the United States of America
| Field | Value |
|---|---|
| name | Boulder River |
| image | Boulderriver MT.jpg |
| image_size | 250px |
| image_caption | A section of the upper Boulder River |
| source1_coordinates | |
| source1_coord_ref | |
| mouth_coordinates | |
| mouth_coord_ref | |
| subdivision_type1 | Country |
| subdivision_name1 | Park and Sweet Grass County, Montana |
| mouth_elevation | 4003 ft |
| river_system | Yellowstone River |
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.
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.
Discharges
| River | Location | Discharge |
|---|---|---|
| East Boulder River | near McLeod | 80 cuft/s |
| West Boulder River | McLeod | 189 cuft/s |
| Boulder River | Big Timber | 563 cuft/s |
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.
Variant names
The Boulder River has also been known as: Rivers a Cross, Rivers across, and Rivers-across. 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.
Climate
The Placer Basin SNOTEL weather station is situated near the source of the East Boulder River, at an elevation of 8830 feet (2691 m).
|Jan record high F = 54 |Feb record high F = 55 |Mar record high F = 57 |Apr record high F = 66 |May record high F = 71 |Jun record high F = 78 |Jul record high F = 82 |Aug record high F = 83 |Sep record high F = 77 |Oct record high F = 71 |Nov record high F = 59 |Dec record high F = 50 |year record high F =
|Jan avg record high F = 43.8 |Feb avg record high F = 44.6 |Mar avg record high F = 51.8 |Apr avg record high F = 58.7 |May avg record high F = 65.5 |Jun avg record high F = 72.1 |Jul avg record high F = 76.8 |Aug avg record high F = 75.9 |Sep avg record high F = 72.1 |Oct avg record high F = 61.9 |Nov avg record high F = 50.1 |Dec avg record high F = 40.5 |year avg record high F = 77.6
|Jan avg record low F = -20.1 |Feb avg record low F = -23.3 |Mar avg record low F = -15.1 |Apr avg record low F = -6.1 |May avg record low F = 5.9 |Jun avg record low F = 23.0 |Jul avg record low F = 29.5 |Aug avg record low F = 26.8 |Sep avg record low F = 16.7 |Oct avg record low F = -3.0 |Nov avg record low F = -14.4 |Dec avg record low F = -21.8 |year avg record low F = -31.9
|Jan record low F = −41 |Feb record low F = −40 |Mar record low F = -32 |Apr record low F = -24 |May record low F = -5 |Jun record low F = 10 |Jul record low F = 24 |Aug record low F = 17 |Sep record low F = -1 |Oct record low F = -26 |Nov record low F = -37 |Dec record low F = −39 |year record low F =
|access-date = November 23, 2023 |access-date = November 23, 2023
References
References
- {{cite gnis
- "A River Runs Through It Trivia at the IMDb".
- "USGS Surface Water data for Montana: USGS Surface-Water Annual Statistics".
- "USGS Surface Water data for Montana: USGS Surface-Water Annual Statistics".
- "USGS Surface Water data for Montana: USGS Surface-Water Annual Statistics".
- "Map of USFS Big Timber Ranger District".
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