According to the United States Census Bureau, the township had a total area of 19.056 square miles (49.354 km2), including 18.480 square miles (47.862 km2) of land and 0.576 square miles (1.492 km2) of water (3.02%) [REF].
Unincorporated communities, localities and place names located partially or completely within the township include Horse Neck Bridge, Lake Valhalla, Lower Montville, Pine Brook, Taylortown, Towaco and White Hall [REF].