South Mountain, PA

ZIP code 17261 serves Willow Hill and the surrounding rural area of Franklin County, Pennsylvania, in the Tuscarora Mountain region. Notable natural landmarks include Tuscarora State Forest and sections of the Tuscarora Trail, known for wooded mountain scenery and hiking routes. The area is made up mainly of farms and small settlements rather than a large town center; Cowans Gap State Park is a popular destination nearby, outside the ZIP-code area.