[4] The Bridge between Guilford and Hamilton Townships was listed on the National Register of Historic Places in 1988.

South of Chambersburg, Conococheague Creek forms the eastern boundary of the township.

The township extends northwest as far as the crest of Broad Mountain, the easternmost ridge in the Ridge-and-Valley Appalachians in this part of the state.

U.S. Route 30 crosses the center of the township, leading east into Chambersburg and west to McConnellsburg.

According to the United States Census Bureau, the township has a total area of 35.5 square miles (92.0 km2), all land.