Wilderness Landscape & Natural Heritage
Bayard Cutting Arboretum State Park spans over 691 acres along the Connetquot River on Long Island's south shore in Suffolk County, New York. Originally the country estate of Bayard Cutting, a wealthy 19th-century industrialist, the property became a public arboretum and park in 1936. The arboretum is designed by Frederick Law Olmsted Jr., featuring formal gardens, natural woodlands, and meandering trails through riverfront habitats. The park supports a variety of ecosystems including hardwood forests, wetland areas, and well-maintained lawn spaces, attracting numerous bird species and wildlife. Visitors can explore estate landmarks such as the historic Bayard Cutting Mansion, a Tudor-style mansion that offers guided tours showcasing Gilded Age architecture and family history. The arboretum’s extensive walking paths provide opportunities for hiking and photography amid hemlock groves, flowering trees, and ornamental shrubs. Educational programs and seasonal events, like plant sales and garden workshops, further enrich the visitor experience. Its location near the hamlet of Great River makes it accessible for day visits or family outings. Unlike many state parks geared towards camping, Bayard Cutting Arboretum focuses more on horticulture and passive recreation, making it popular for picnicking, birdwatching, and nature study. The park's waterfront setting along the Connetquot River also offers limited fishing and scenic views. Management by the New York State Office of Parks, Recreation and Historic Preservation ensures preservation of its historic and natural resources.


