Forming the boundary between New York and New Jersey, stretching for 21 miles in New York state, Hudson River flows nearly around all through the state. Originating in many small lakes in the Adirondack Mountains, the Hudson flows for about 315 miles or 507km. The source of the main headstream of this river is from the Lake Tear of the Clouds. The Hudson river joined with the Mohawk River and it is regarded as one of the nation’s great waterways.