River VA MD

North Branch Patapsco River - Liberty Lake

Virginia • 39.4018, -76.8913

Length

25 mi

40 km

Elevation

747′ → 248′

499 ft drop

Stream Order

Medium River

Slope

0.38%

20.2 ft/mi

Drainage

170 mi²

441 km²

Avg Flow

210 cfs

1.7 mph velocity

Path to Mouth

223 mi

358 km to ocean

Classification

Headwater

Source Stream

Elevation Profile

Water Quality

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

Data from USGS & NOAA for informational purposes only. More

Access Sites on North Branch Patapsco River - Liberty Lake

There are 3 boat ramps, launches, and public access points on North Branch Patapsco River - Liberty Lake.