Pennypack Creek

Pennypack Creek is a 22.6-mile-long (36.4 km) creek in southeastern Pennsylvania in the United States. It runs southeast through lower Bucks County, eastern Montgomery County and the northeast section of Philadelphia, before emptying into the Delaware River.

The creek draws its name from the Lenape word pënëpèkw meaning "downward-flowing water" or "deep, dead water; water without much current." Early cartographers gave various spellings for the name, including Pennishpaska, La Riviere de Pennicpacka, and Pennishpacha Kyl. In early Swedish patents it was called Pemipacka. Thomas Holme called it Dublin Creek, while in later maps it is called Pennypack and Pennepack.

The Pennypack creek was first surveyed by Thomas Holme in 1687. The creek begins in two branches, one in Horsham, the other in Warminster, joining in Bryn Athyn. The creek then flows through Lower Moreland, Abington and Northeast Philadelphia.

Pennypack Creek was once the site of several mills. When William Penn founded the province of Pennsylvania in 1682, the Pennypack valley was occupied by Swedish colonists, who continued to live as English settlement began. Penn ordered the first bridge built across the creek along the King's Highway (now Frankford Avenue) in 1697; the bridge still stands. Despite the lack of navigability beyond the fall line (near the Frankford Avenue bridge), several early settlers built mills along the Pennypack, including Penn's "Pemmapecka Mill," built in 1701. The mills contributed to the growth of Holmesburg, the neighborhood near the mouth of the creek, and provided local farmers a place to sell their grain that was nearer than the city of Philadelphia. Fetter's Mill was added to the National Register of Historic Places in 1999.

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