River PA NY WV

Allegheny River

Pennsylvania • 42.0466, -78.9148
Length
327 mi
526 km
Elevation
2,446′ → 710′
1,736 ft drop
Stream Order
8
Major River
Slope
0.10%
5.3 ft/mi
Drainage
11,725 mi²
30,368 km²
Avg Flow
20,984 cfs
3.6 mph velocity
Path to Mouth
2,276 mi
3,662 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

Water Level Gauges on Allegheny River

There are 24 USGS water level monitoring stations on Allegheny River providing real-time flow and stage data.

Access Sites on Allegheny River

There are 65 boat ramps, launches, and public access points on Allegheny River.