Crooked Run is a long 1st order tributary to the Youghiogheny River in Fayette County, Pennsylvania.
Crooked Run rises about 1 mile north-northeast of Stewarton, Pennsylvania, and then flows southwest to join the Youghiogheny River at Stewarton.
Crooked Run drains of area, receives about 46.1 in/year of precipitation, has a wetness index of 385.09, and is about 42% forested.