Wallace Run is a tributary of Bald Eagle Creek in Centre County, Pennsylvania, in the United States. It is 12.1 miles (19.5 km) long and is a low-alkalinity stream.[1] The stream flows through Union Township and Boggs Township in Centre County. Most of the watershed is in Boggs Township. The North Branch of Wallace Run is one tributary of the stream. The watershed has an area of 24 square miles (62 km2). Oaks, maples, ash trees, birches, hemlocks, and rhododendrons all exist in the upper reaches of the stream, which is mostly forested. The lower reaches of the stream are mostly developed.