Richfield is a town located in Otsego County, New York, United States.

Richfield Springs was called "Big Medicine Waters" by the local natives.

From the Gazetteer of the State of New York by J. H. French, Published by R. Pearsall Smith, Syracuse, N. Y.

The northern end of Canadarago Lake is in the eastern part of the town.

New York State Route 28 (NY 28) is a north-south highway passing the western shore of Canadarago Lake.