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Beaverhead River in Montana

River41.8 mi
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Around here

Around Beaverhead River

Henneberry House1.2 miClark Canyon Reservoir5.1 mi5 mi

Data Source: Recreation.gov · Public land: USGS PAD-US

About this river

Beaverhead River is a 41.8 mile river. Streamflow is measured at the USGS gauge Beaverhead River at Dillon MT (site 06017000). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1951 to 2026

Beaverhead River typically runs highest in November, at a median 436 cfs, and lowest in May, at 132 cfs. The highest flow on record for any single day is 1,700 cfs, in 1964.

Show the numbers
Typical flow by month at Beaverhead River at Dillon MT, in cfs
MonthTypical (cfs)Usual range (cfs)
January386286 to 428
February389279 to 423
March240175 to 381
April178113 to 357
May132105 to 221
June167128 to 270
July165132 to 227
August162133 to 220
September136104 to 263
October149109 to 280
November436329 to 559
December413295 to 493

Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 34 years of record. Statistics published by the US Geological Survey for Beaverhead River at Dillon MT (site 06017000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

3 mapped launches sit in the mapped area of Beaverhead River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.

  • HenneberryBeaverhead ReservoirPublic
  • Pipe OrganBeaverhead RiverPublic
  • GrasshopperBeaverhead RiverPublic

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This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.

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