The unincorporated community of State Line sits along the southern edge of the township.

Other unincorporated communities in the township include Bushtown, Coseytown, Worleytown, Milnor, Johnston, Kauffman, Browns Mills, Clay Hill, Shady Grove, Waynecastle, and Wingerton.

U.S. Route 11 and Interstate 81 cross the township, leading north to Chambersburg, the county seat, and south to Hagerstown, Maryland.

Pennsylvania Route 16 runs at right angles to the other two highways, leading east to Waynesboro and west to Mercersburg.

[6] Conococheague Creek, a south-flowing tributary of the Potomac River, forms the western boundary of the township in two places.