Illinois Valley is a valley located in Centre County, Pennsylvania. It appears on the Spring Mills USGS 7.5-minute topographic quadrangle. The nearest populated place is Locust Grove, approximately 0.7 miles to the NNW.
Centre County · Pennsylvania
Illinois Valley is a valley located in Centre County, Pennsylvania. It appears on the Spring Mills USGS 7.5-minute topographic quadrangle. The nearest populated place is Locust Grove, approximately 0.7 miles to the NNW.