› Rivers & Lakes › Maryland
Stream MD

Big Run

Maryland • 38.2869, -78.7052
Length
69 mi
112 km
Elevation
3,746′ → 394′
3,352 ft drop
Stream Order
4
Medium River
Slope
0.91%
48.2 ft/mi
Drainage
29 mi²
76 km²
Avg Flow
-- cfs
0.9 mph velocity
Path to Mouth
499 mi
804 km to ocean
Classification
Tributary
Mid-reach
Elevation Profile
Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

EPA WQP MyWaterway
Data from USGS & NOAA for informational purposes only. More
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Access Sites on Big Run

There are 6 boat ramps, launches, and public access points on Big Run.