Around here
Around Broad Run
- Potomac Heritage National Scenic TrailRecreation area3.7 mi (opens in a new tab)
- Great Falls Park Visitor CenterVisitor center14.7 mi (opens in a new tab)
- Chesapeake & Ohio Canal National Historical ParkRecreation area14.8 mi (opens in a new tab)
- Great Falls Tavern Visitor CenterVisitor center14.8 mi (opens in a new tab)
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Broad Run is a 6.7 mile stream near Calleva's River School in Maryland. Streamflow is measured at the USGS gauge Broad Run near Leesburg, VA (site 01644280). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
2002 to 2026
Broad Run typically runs highest in February, at a median 75 cfs, and lowest in September, at 23 cfs. The highest flow on record for any single day is 10,300 cfs, in 2008.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 58 | 37 to 105 |
| February | 75 | 44 to 151 |
| March | 70 | 45 to 125 |
| April | 56 | 36 to 111 |
| May | 57 | 32 to 140 |
| June | 42 | 24 to 98 |
| July | 33 | 19 to 67 |
| August | 27 | 16 to 60 |
| September | 23 | 14 to 65 |
| October | 29 | 18 to 60 |
| November | 41 | 24 to 83 |
| December | 61 | 29 to 120 |
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 25 years of record. Statistics published by the US Geological Survey for Broad Run near Leesburg, VA (site 01644280). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Made to print
Put Broad Run on your wall
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.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Broad Run's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.






