This is the official website for the Town of Great Valley, New York.
Credit to DQ Imaging for providing images used on this website.
The Town was formed in 1818, taken from part of the Town of Olean. Great Valley is in Cattaraugus County with a population of 1,974 at the 2010 Census. The Town is named after its local geographical setting, a relative comparison of two tributaries (the other being the neighboring Little Valley) of the Allegany River.