Perry County is bounded by the Tuscarora Mountains, Susquehanna River and Blue Ridge Mountains. The county is speckled with small towns surrounded by century-old farms, forests, rivers and streams; making this a great place for outdoor recreation like fishing, hunting and hiking. There are fourteen covered bridges in Perry County, several of which are still open to automobiles. The longest stone arch bridge in the world, the Rockville Bridge, is located in Perry County. Agriculture is the primary industry within Perry County, so most of the residents commute outside of the county for employment. Home buyers choose Perry County for a rural escape surrounded by natural beauty that is close in proximity to Harrisburg.