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South Fork Teton River in Montana

Stream9.0 mi
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Around here

Around South Fork Teton River

Ear Mountain Cabin0.6 miEar Mountain0.4 mi2 mi

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

About this river

South Fork Teton River is a 9.0 mile stream. Streamflow is measured at the USGS gauge Teton River bl South Fork nr Choteau MT (site 06102500). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1947 to 2026

South Fork Teton River typically runs highest in June, at a median 325 cfs, and lowest in February, at 47 cfs. The highest flow on record for any single day is 5,640 cfs, in 2018.

Show the numbers
Typical flow by month at Teton River bl South Fork nr Choteau MT, in cfs
MonthTypical (cfs)Usual range (cfs)
January5241 to 57
February4740 to 54
March4741 to 52
April6754 to 87
May259171 to 393
June325234 to 490
July137100 to 208
August8971 to 121
September7560 to 88
October6657 to 80
November6655 to 77
December5447 to 65

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 Teton River bl South Fork nr Choteau MT (site 06102500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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