Our mission is “To support and enhance Caumsett State Historic Park Preserve as a unique and historic environment on Long Island’s north shore. The Foundation is dedicated to education, low-impact recreation, historic and environmental preservation and conservation of the scenic value, natural heritage and cultural history of the site.” The Caumsett Foundation has been recognized as a model “friends group.” We work closely with New York State Parks and the community toward a common mission: to support and enhance Caumsett State Historic Park Preserve as a unique and historic environment.Learn More
There's many ways to enjoy the park, whether it's as a supporting member, volunteer, taking part in our events, donating or just visiting this beautiful resource.
Learn about the Foundation’s mission and the impact we make in the Park.Read More
Learn about Foundation programs at the park and how to register.Read More
Learn about the park including hours of operation, directions, fees, and maps.Read More
Restoration of a 30 acre former pasture that contained woody vegetation, invasive vines and plants. The long term goal is to transform this site that for decades had been used for cattle grazing, into a native grassland, able to support the grassland dependent species.
Caumsett State Historic Park Preserve contains the only known breeding colony of the Baltimore Checkerspot Butterfly on all of Long Island. While this butterfly is found throughout New York State there have only been 4 records on Long Island over a period of 40 years prior to its discovery at Caumsett in 2009.