Frewsburg is a small hamlet located in the town of Carroll, Chautauqua County, in western New York State. The area is characterized by rolling hills, forests, and proximity to several lakes and rivers, contributing to its scenic beauty. The population was 1,843 at the 2020 census.
The Martz Observatory, located in Frewsburg, New York, is a public observatory dedicated to astronomical observation, education, and outreach. It was established by a group of amateur astronomers who aimed to promote the science of astronomy and provide a resource for both the community and professional astronomers.