According to the United States Census Bureau, the township has a total area of 10.0 square miles (25.8 km²), of which, 9.9 square miles (25.7 km²) of it is land and 0.04 square miles (0.1 km²) of it (0.30%) is water.
Natural features include Anchor Creek, Jericho Creek, Mill Creek, Neshaminy Creek including the Neshaminy Palisades, Newtown Creek, and Robin Run [REF].