Neshaminy Creek. Neshaminy Creek is a 40.7-mile-long (65.5 km) stream that runs entirely through Bucks County, Pennsylvania, rising south of the borough of Chalfont, where its north and west branches join. Neshaminy Creek flows southeast toward Bristol Township and Bensalem Township to its confluence with the Delaware River.Where does the name Neshaminy come from?
Neshaminy Creek passes through two state parks, Tyler State Park and Neshaminy State Park. Neshaminy Creek has the distinction of having three tributaries named Mill Creek. The name seems to derive from the Lenape 'Nesha-men-ning', loosely meaning 'the place where we drink twice' or 'two drinking places'.What type of rock is Neshaminy Creek made of?
Beginning at the junction of the West Branch and North Branch Neshaminy Creeks, Neshaminy Creek begins in the Brunswick Formation, formed during the Jurassic and Triassic, which consists of mainly mudstone, shale, and siltstone. Mineralogy includes argillite and hornfels.