Porky Run is a long 1st order tributary to Caldwell Creek in Crawford County, Pennsylvania.
Porky Run rises about 1.5 miles east of Shelmandine Springs, Pennsylvania and then flows southeast to join Caldwell Creek about 1.5 miles northeast of East Titusville, Pennsylvania.
Porky Run drains of area, receives about 45.1 in/year of precipitation, has a wetness index of 429.93, and is about 70% forested.