Charley Run is a long 1st order tributary to the Allegheny River in Venango County, Pennsylvania.
Course Charley Run rises about 2 miles north of Oil City, Pennsylvania, and then flows south-southeast to join the Allegheny River at Oil City.
Watershed Charley Run drains of area, receives about 44.4 in/year of precipitation, and has a wetness index of 373.89 and is about 90% forested.
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