- Hudson River: Flows from the Adirondack Mountains to New York Harbor, forming part of the boundary between New York and New Jersey.
- Mohawk River: Flows through central New York, joining the Hudson River near Albany.
- St. Lawrence River: Forms the northern boundary of New York State, separating it from Canada.
- Niagara River: Flows from Lake Erie to Lake Ontario, forming the Niagara Falls.
- Genesee River: Flows through western New York, emptying into Lake Ontario.
- Black River: Flows through northern New York, emptying into Lake Ontario.
- Oswego River: Flows through central New York, emptying into Lake Ontario.
- Delaware River: Forms part of the boundary between New York and Pennsylvania.
- Susquehanna River: Flows through southern New York, emptying into the Chesapeake Bay.
- Allegheny River: Flows through western New York, joining the Monongahela River to form the Ohio River.
