Trewellyn Creek is a stream located in Montgomery County, Pennsylvania. It appears on the Lansdale USGS 7.5-minute topographic quadrangle. The nearest populated place is Gwynedd Valley, approximately 0.2 miles to the SW.
Montgomery County · Pennsylvania
Trewellyn Creek is a stream located in Montgomery County, Pennsylvania. It appears on the Lansdale USGS 7.5-minute topographic quadrangle. The nearest populated place is Gwynedd Valley, approximately 0.2 miles to the SW.