River PA VA WV

Monongahela River

Pennsylvania • 39.8633, -79.9283

Length

130 mi

210 km

Elevation

856′ → 709′

147 ft drop

Stream Order

7

Large River

Slope

0.02%

1.1 ft/mi

Drainage

7,350 mi²

19,037 km²

Avg Flow

13,199 cfs

1.8 mph velocity

Path to Mouth

1,104 mi

1,777 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Data from USGS & NOAA for informational purposes only. More

Monitor