Willoughby Run is a stream located in Adams County, Pennsylvania. It appears on the Fairfield USGS 7.5-minute topographic quadrangle. The nearest populated place is Greenmount, approximately 1.4 miles to the S.
Adams County · Pennsylvania
Willoughby Run is a stream located in Adams County, Pennsylvania. It appears on the Fairfield USGS 7.5-minute topographic quadrangle. The nearest populated place is Greenmount, approximately 1.4 miles to the S.