Saw Kill may refer to three different bodies of water in New York

New York

New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

. Two are tributaries of the Hudson River

Hudson River

The Hudson is a river that flows from north to south through eastern New York. The highest official source is at Lake Tear of the Clouds, on the slopes of Mount Marcy in the Adirondack Mountains. The river itself officially begins in Henderson Lake in Newcomb, New York...

, on its east bank. The other drains into Esopus Creek

Esopus Creek

Esopus Creek is a tributary of the Hudson River that drains the east-central Catskill Mountains of the U.S. state of New York. From its source at Winnisook Lake on the slopes of Slide Mountain, the Catskills' highest peak, it flows across Ulster County to the Hudson at Saugerties. Many tributaries...

, a tributary of the Hudson on its west bank.

The southerly of the eastern two is 14.3 miles (23 km) long and empties into South Bay of the Tivoli Bays part of the Hudson River Reserve of the National Estuarine Research Reserve

National Estuarine Research Reserve

The National Estuarine Research Reserve System is a program of the United States government. The program establishes federal-state partnerships under the Coastal Zone Management Act to create a system of estuarine research reserves representative of the various regions and estuarine types in the...

, located in the town of Red Hook

Red Hook, New York

Red Hook is a town in Dutchess County, New York, United States. The population was reported to be 11,319 during the 2010 census. The name is supposedly derived from the red foliage on trees on a small strip of land on the Hudson River. The town contains two villages; the village of Red Hook and the...

 and partly along Bard College

Bard College

Bard College, founded in 1860 as "St. Stephen's College", is a small four-year liberal arts college located in Annandale-on-Hudson, New York.-Location:...

 and New York State Department of Environmental Conservation

New York State Department of Environmental Conservation

The New York State Department of Environmental Conservation is responsible for the conservation, improvement, and protection of natural resources within the U.S. state of New York. It was founded in 1970, replacing the previous Conservation Department...

 protected lands. The other one, not identified on topographic maps, empties into the Hudson about 30 miles (48.3 km) to the north at Stuyvesant Landing

Stuyvesant, New York

Stuyvesant is a town in Columbia County, New York, United States. The population was 2,188 at the 2000 census.The Town of Stuyvesant is in the northwest part of Columbia County...

.

The western one, 19.7 miles (31.7 km) long, rises in Forest Preserve

Forest Preserve (New York)

New York's Forest Preserve is all the land owned by the state within the Adirondack and Catskill parks, managed by its Department of Environmental Conservation. These properties are required to be kept "forever wild" by Article 14 of the state constitution, and thus enjoy the highest degree of...

 lands on the lower slopes of Indian Head Mountain and, after flowing through the town of Woodstock

Woodstock, New York

Woodstock is a town in Ulster County, New York, United States. The population was 5,884 at the 2010 census, down from 6,241 at the 2000 census.The Town of Woodstock is in the northern part of the county...

, empties into the Esopus just above Saugerties

Saugerties (village), New York

Saugerties is a village in Ulster County, New York, USA. The population was 4,955 at the 2000 census.The Village of Saugerties is a Town in the eastern part of the Town of Saugerties. U.S. Route 9W passes through the village...

.