West Kill Mountain, or Westkill Mountain, is located in Greene County

Greene County, New York

Greene County is a county located in the U.S. state of New York. Its name is in honor of the American Revolutionary War general Nathanael Greene. Its county seat is Catskill...

, 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...

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The mountain is named after the West Kill

Kill (body of water)

As a body of water, a kill is a creek. The word comes from the Middle Dutch kille, meaning "riverbed" or "water channel." The modern Dutch term is kil....

 stream which flows along its northern side, and is part of the Devil's Path

Devil's Path (Catskills)

The Devil's Path is the name of a mountain range and hiking trail in the Greene County portion of New York's Catskill Mountains. The mountains commonly considered to be part of the Devil's Path are, from west to east, West Kill, Hunter, Plateau, Sugarloaf, Twin, and Indian Head.The name comes from...

 range of the Catskill Mountains

Catskill Mountains

The Catskill Mountains, an area in New York State northwest of New York City and southwest of Albany, are a mature dissected plateau, an uplifted region that was subsequently eroded into sharp relief. They are an eastward continuation, and the highest representation, of the Allegheny Plateau...

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To the east, West Kill Mountain faces Southwest Hunter Mountain

Southwest Hunter Mountain

Southwest Hunter Mountain is a subpeak of Hunter Mountain, located in Greene County, New York.SW Hunter is considered one of the Catskills' High Peaks in its own right, because of its separation from the main summit, and its topographic prominence.Hunter Mountain is named after John Hunter, who...

 across 800-ft-deep Diamond Notch; to the west, West Kill faces North Dome

North Dome (New York)

North Dome is a mountain located in Greene County, New York.The mountain is part of the Catskill Mountains. North Dome is flanked to the east by West Kill Mountain, and to the west faces Mount Sherrill across 1,000-ft.-deep Mink Hollow Notch....

 across Mink Hollow.

West Kill Mountain stands within the watershed

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

 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...

, which drains into New York Bay

New York Bay

New York Bay is the collective term for the marine areas surrounding the entrance of the Hudson River into the Atlantic Ocean. Its two largest components are Upper New York Bay and Lower New York Bay, which are connected by The Narrows...

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The north slopes drain into the West Kill, thence into Schoharie Creek

Schoharie Creek

Schoharie Creek in New York, USA flows north from the foot of Indian Head Mountain in the Catskill Mountains through the Schoharie Valley to the Mohawk River. It is twice impounded north of Prattsville to create New York City's Schoharie Reservoir and the Blenheim-Gilboa Power Project.Two notable...

, the Mohawk River

Mohawk River

The Mohawk River is a river in the U.S. state of New York. It is the largest tributary of the Hudson River. The Mohawk flows into the Hudson in the Capital District, a few miles north of the city of Albany. The river is named for the Mohawk Nation of the Iroquois Confederacy...

, and the Hudson River.
The southeast slopes of the mountain drain into Hollow Tree Brook, thence into Stony Clove Creek

Stony Clove Creek

Stony Clove Creek is a creek in the Catskill Mountains in New York. It is a tributary of Esopus Creek, which in turn is a tributary of the Hudson River. It joins the Esopus in the village of Phoenicia, and has two smaller tributaries up north of Phoenicia....

, 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...

, and the Hudson River.
The southwest slopes of West Kill Mountain drain into the Broadstreet Hollow stream, thence into Esopus Creek.

West Kill Mountain is contained within the Westkill Mountain Wilderness Area of New York's Catskill State Park

Catskill State Park

The Catskill Park is in the Catskill Mountains in New York in the United States. It consists of 700,000 acres of land inside a Blue Line in four counties: Delaware, Greene, Sullivan, and Ulster...

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