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South Fork San Miguel River in Colorado

River6.4 mi
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Around here

Around South Fork San Miguel River

Sunshine2.1 mi1 mi

Source: USDA Forest Service ยท Data Source: Recreation.gov ยท Source: USGS GNIS ยท Thermal springs: NOAA NCEI (1980) ยท Public land: USGS PAD-US ยท Forest roads: USDA Forest Service MVUM ยท BLM routes and areas: Bureau of Land Management (simplified for web display)

About this river

South Fork San Miguel River is a 6.4 mile river. Streamflow is measured at the USGS gauge South Fork San Miguel River near Ophir, CO (site 09171310). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

2012 to 2026

South Fork San Miguel River typically runs highest in June, at a median 180 cfs, and lowest in December, at 26 cfs. The highest flow on record for any single day is 569 cfs, in 2019.

Show the numbers
Typical flow by month at South Fork San Miguel River near Ophir, CO, in cfs
MonthTypical (cfs)Usual range (cfs)
January2821 to 31
February2721 to 33
March2921 to 32
April3531 to 46
May8467 to 119
June180100 to 287
July7048 to 137
August5341 to 67
September3731 to 49
October3229 to 40
November2724 to 31
December2622 to 28

Typical is the median of each monthโ€™s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 15 years of record. Statistics published by the US Geological Survey for South Fork San Miguel River near Ophir, CO (site 09171310). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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