Difficult Run: Section 3

Gauges

Name Range Level Unit
Min Max
American Whitewater
DIFFICULT RUN NEAR GREAT FALLS, VA USGS NOAA [HADS] 110 5000 44.7 cfs
Capital Canoeing and Kayaking
DIFFICULT RUN NEAR GREAT FALLS, VA USGS NOAA [HADS] 60 44.7 cfs
DIFFICULT RUN ABOVE FOX LAKE NEAR FAIRFAX, VA USGS [HADS] 110 4.5 cfs

Difficulty

American Whitewater : III-IV (V+)
Capital Canoeing and Kayaking (pg 364) : IV- (5.1)

River Data

Length: 0.84
Basin area: 58.2 mi2
Largest dam impounds 4.3 mi2 or 7.39% of basin
Dams: 21
Putin: 38.976, -77.24616666666667
Takeout: 38.9762, -77.2353

Dawn (today) at putin: 05:17
Sunise (today) at putin: 05:48
Sunset (today) at takeout: 20:23
Dusk (today) at takeout: 20:54