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Beaver Creek in Montana

River48.8 mi
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Around here

Around Beaver Creek

Nelson Reservoir2.7 miHewitt Lake National Wildlife Refuge7.1 mi5 mi

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

About this river

Beaver Creek is a 48.8 mile river. Streamflow is measured at the USGS gauge Beaver Cr bl Guston Coulee nr Saco MT (site 06166000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1921 to 2025

Beaver Creek typically runs highest in June, at a median 16 cfs, and lowest in October, at 0.0 cfs. The highest flow on record for any single day is 11,900 cfs, in 1986.

Show the numbers
Typical flow by month at Beaver Cr bl Guston Coulee nr Saco MT, in cfs
MonthTypical (cfs)Usual range (cfs)
February1.00.0 to 45
March4.70.0 to 41
April3.40.0 to 27
May4.90.0 to 41
June162.8 to 52
July1.60.0 to 33
August1.60.1 to 11
September0.70.0 to 7.5
October0.00.0 to 1.5
November0.00.0 to 1.3

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 43 years of record. Statistics published by the US Geological Survey for Beaver Cr bl Guston Coulee nr Saco MT (site 06166000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

Boat access nearby

One mapped launch sits in the mapped area of Beaver Creek. Ramp data comes from the USGS national boat-ramp inventory.

  • Nelson State Recreation AreaNelson ReservoirPublic

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