Napanoch is a hamlet in Town of Wawarsing, in Ulster County, New York, United States.

"Napanoch" is from the Munsee dialect of the northern Lenape, and is thought to mean land overflowed by water.

Old Route 209 and Main Street follow the Minisink Trail, the Lenape path between the Hudson and Delaware Rivers.

The Hoornbeek Store Complex and Ontario and Western Railroad Passenger Station are listed on the National Register of Historic Places.

[3] The imposing Eastern Correctional Facility was built by the state in 1900 as a reformatory.

27.7% of all households were made up of individuals, and 13.8% had someone living alone who was 65 years of age or older.