Watkins Run is a long first-order tributary to Calvin Run in Greene County.
Course Watkins Run rises about 2.25 miles north of Mount Morris, Pennsylvania, and then flows southerly to join Calvin Run about 0.25 miles north of Mount Morris, Pennsylvania.
Watershed Watkins Run drains of area, receives about 43.2 in/year of precipitation, and is about 85.3% forested.
See also List of rivers of Pennsylvania
References