The Hudson River National Estuarine Research Reserve protects vital habitats along the Hudson River estuary, offering opportunities for ecological study, wildlife viewing, and scenic exploration.
The Hudson River National Estuarine Research Reserve spans over 10,000 acres across four sites along the Hudson River in New York State. It preserves diverse estuarine habitats, including tidal wetlands, deepwater tidal habitats, freshwater tidal marshes, and upland forests. The reserve protects crucial nursery grounds for numerous fish species, supports migratory birds, and sustains rich biodiversity. These tidal ecosystems filter pollutants, buffer storm impacts, and support fisheries that benefit the Hudson Valley region and beyond. Established in 1982 as part of the National Estuarine Research Reserve System, the reserve conducts scientific research, environmental education, and stewardship initiatives. Visitors can explore boardwalks, interpretive centers, and accessible trails that showcase the area's natural and cultural heritage. The reserve's four primary locations—Piermont Marsh, Tivoli Bays, Stockport Flats, and Iona Island—offer varied landscapes from salt marshes to freshwater bays, each with distinct flora and fauna. Local landmarks include migratory bird stopover sites, historical remnants of native and colonial settlements, and the surrounding scenic Hudson River corridor. The reserve is a popular destination for birdwatching, kayaking, fishing, nature photography, and educational programs. Its proximity to New York City and the Hudson Valley makes it a valuable outdoor resource for both recreation and conservation awareness.
Piermont Marsh – one of the largest remaining tidal marshes in the Hudson River estuary
Iona Island – important sanctuary for migratory birds including herons and eagles
Boardwalk trails with interpretive signage across diverse wetland habitats
Kayaking routes showcasing freshwater and brackish waters with abundant wildlife
A vast tidal salt marsh supporting spawning and nursery habitat for fish, shellfish, and many bird species.
A large island reserve with freshwater marshes and mudflats, crucial for migratory birds and signature raptor sightings.
Freshwater tidal marsh ecosystem rich in aquatic plants and habitat for a variety of fish and bird species.