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Cedar Run in Virginia

River32.7 mi
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Around here

Around Cedar Run

Brawner Farm Interpretive Center10.8 miManassas National Battlefield Park12.1 mi5 mi

Data Source: Recreation.gov · Source: USGS GNIS · Source: National Park Service. No claim to original U.S. Government works. · Public land: USGS PAD-US · Forest roads: USDA Forest Service MVUM · BLM routes and areas: Bureau of Land Management (simplified for web display)

About this river

Cedar Run is a 32.7 mile river. Streamflow is measured at the USGS gauge Cedar Run near Catlett, VA (site 01656000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.

Typical flow by month

1951 to 2026

Cedar Run typically runs highest in March, at a median 82 cfs, and lowest in September, at 4.3 cfs. The highest flow on record for any single day is 18,500 cfs, in 1972.

Show the numbers
Typical flow by month at Cedar Run near Catlett, VA, in cfs
MonthTypical (cfs)Usual range (cfs)
January6531 to 128
February7844 to 151
March8245 to 153
April6133 to 115
May3517 to 86
June166.3 to 41
July7.02.8 to 19
August5.21.7 to 13
September4.31.5 to 13
October6.83.1 to 23
November167.5 to 53
December4618 to 103

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 72 years of record. Statistics published by the US Geological Survey for Cedar Run near Catlett, VA (site 01656000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.

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