The Great Bay National Estuarine Research Reserve is located in New Hampshire and is part of the National Estuarine Research Reserve System. It encompasses over 10,000 acres of diverse habitats, including salt marshes, mudflats, and tidal rivers. The reserve aims to protect and study the unique ecosystems found in the Great Bay estuary, which is vital for local wildlife and water quality. Established in 1989, the reserve serves as a site for research, education, and coastal management. It collaborates with various organizations to promote conservation efforts and enhance public understanding of estuarine environments. Visitors can enjoy recreational activities while learning about the importance of preserving these natural resources.