About Denning

Denning is located in Ulster County, New York. Named after early landowner, William Denning, it is located in the western part of Ulster county within the Catskill Mountains.

Learn more about the Town of Denning:

Town Hall will be open on Thursday, August 11th from 8:30 am to 10:00 am and then will be closed for the rest of the day due to an Off-Site Staff Meeting and Training.