👉 The river called Chester Creek is a tributary to the Delaware River in the United States, flowing westward from Pennsylvania into New York state. Its precise location varies according to local sources due to its narrow channel. It originates near the town of Chester in Delaware County, Pennsylvania and flows approximately 26 miles (42 km) to its confluence with the Delaware at the city of Wilmington. The name "Chester" is a variant of the Welsh word "Cherd."