Arkville is a hamlet of the Town of Middletown

Middletown, Delaware County, New York

Middletown is a town in Delaware County, New York, United States. The population was 4,051 at the 2000 census.The Town of Middletown is in the southeast part of the county.- History :...

, New York, United States. It is located along state highway

State highway

State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 NY 28

New York State Route 28

New York State Route 28 is a state highway extending for in the shape of a "C" between the Hudson Valley city of Kingston and southern Warren County in the U.S. state of New York. Along the way, it intersects several major routes, including Interstate 88 , U.S. Route 20 , and the...

 a mile north of the village of Margaretville

Margaretville, New York

Margaretville is a village in Delaware County, New York, United States. The population was 643 at the 2000 census.The Village of Margaretville is in the Town of Middletown. The village is on the border of the Catskill Park...

 in the western 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...

. It has the ZIP Code

ZIP Code

ZIP codes are a system of postal codes used by the United States Postal Service since 1963. The term ZIP, an acronym for Zone Improvement Plan, is properly written in capital letters and was chosen to suggest that the mail travels more efficiently, and therefore more quickly, when senders use the...

 12406.

The main office of the Catskill Center for Conservation and Development

Catskill Center for Conservation and Development

The Catskill Center for Conservation and Development, usually referred to as the Catskill Center, is a not-for-profit organization based in Arkville, New York, United States...

 are located in the Erpf House along Route 28. The hamlet straddles the Catskill Park Blue Line

Blue Line (New York State)

The Blue Line is the term used in New York state for the boundaries of the Adirondack and Catskill parks, within which can be found the state's Forest Preserve...

, which moves from the former Ulster and Delaware Railroad tracks to Dry Brook and then the East Branch

East Branch Delaware River

The East Branch Delaware River, approximately 75 miles long in the U.S. state of New York, is one of two branches, along with the West Branch, that join to form the Delaware River. It flows through a mountainous area on the southwestern edge of the Catskill Park. For a long stretch it serves...

 of the Delaware River

Delaware River

The Delaware River is a major river on the Atlantic coast of the United States.A Dutch expedition led by Henry Hudson in 1609 first mapped the river. The river was christened the South River in the New Netherland colony that followed, in contrast to the North River, as the Hudson River was then...

a short distance to the west.