New York State Route 23A

New York State Route 23A
New York State Route 23A
	Map of Greene County in eastern New York with NY 23A highlighted in red
Route information
	Auxiliary route of NY 23
	Maintained by NYSDOT
Length	34.56 mi (55.62 km)
Existed	mid-1920s–present
Major junctions
West end	NY 23 in Prattsville
East end	US 9W in Catskill village
Location
Country	United States
State	New York
Counties	Greene
Highway system
	New York Highways; Interstate; US; State; Reference; Parkways;

New York State Route 23A (NY 23A) is an east–west state highway in Greene County, New York, in the United States. It serves as a 34.56-mile (55.62 km) alternate route of NY 23 through the northern Catskill Mountains. The route passes several of the Catskill High Peaks, including Hunter Mountain, before dropping into the Hudson Valley via Kaaterskill Clove and ending at an intersection with U.S. Route 9W (US 9W) in the village of Catskill. NY 23A was assigned in the mid-1920s and has not been changed since. A portion of the route through Kaaterskill Clove was closed for several months in 2006 after landslides triggered by heavy rains damaged the route.

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