New York State Route 23A

New York State Route 23A marker
New York State Route 23A
Map
Map of Greene County in eastern New York with NY 23A highlighted in red
Route information
Auxiliary route of NY 23
Maintained by NYSDOT
Length34.56 mi[1] (55.62 km)
Existedmid-1920s[2][3]–present
Major junctions
West end NY 23 in Prattsville
East end US 9W in Catskill village
Location
CountryUnited States
StateNew York
CountiesGreene
Highway system
NY 23 NY 23B

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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