The awnser is the Delaware river
Delaware
The river that separates Pennsylvania and New Jersey is the Delaware River. It also separates Pennsylvania and New York before flowing into the Atlantic Ocean.
The Delaware River is boundary river between Pennsylvania and New Jersey&New York.
Pennsylvania is in the eastern part of the United States. It is east of the Mississippi River.
Manhattan Island is directly across the Hudson River from Jersey City.
The border between New Jersey and Pennsylvania is the Delaware River.
Camden, New Jersey is directly adjacent to Philadelphia, Pennsylvania. Camden is due East of Philadelphia, on the opposite shores of the Delaware River.
The Delaware River forms Pennsylvania's eastern border. Across the river are New Jersey and New York
The Delaware River forms the boundary between Pennsylvania and New Jersey.
The Deleware River marks the border between New Jersey and Pennsylvania.
The Delaware River forms the boundary between Pennsylvania and New Jersey.