The Stour and Orwell Estuaries SPA is a vital wetland habitat on England’s east coast, renowned for its internationally important populations of migratory and overwintering bird species and offering excellent opportunities for birdwatching and nature observation.
Located on the Suffolk coast in eastern England, the Stour and Orwell Estuaries Special Protection Area encompasses expansive tidal mudflats, salt marshes, and estuarine waters formed by the confluence of the Rivers Stour and Orwell. This SPA is designated under the European Birds Directive to protect key populations of wild birds, particularly waders and wildfowl. The estuaries support internationally important numbers of species such as dark-bellied brent geese, oystercatchers, redshanks, avocets, and shelducks, making this site a critical refuge during migration and winter. The surrounding landscape includes grazing marshes and reedbeds, enhancing biodiversity by providing nesting and feeding sites for rare birds like the bittern and marsh harrier. Visitors are drawn to the area's network of footpaths, bird hides, and viewpoints that allow for close, respectful observation of the diverse wildlife. Beyond birdwatching, the estuaries are important for saltmarsh vegetation, with rich invertebrate populations that contribute to the ecological value. The area also has historical significance with nearby Anglo-Saxon and Roman settlements and stretches of the Suffolk Coast Path traversing the site. Outdoor enthusiasts enjoy walking, photography, and tranquil nature experiences in a landscape shaped by tidal flows and managed grazing. Conservation efforts focus on maintaining habitat quality against threats from development, pollution, and disturbance, ensuring the continued vitality of this essential coastal environment.
Internationally important bird populations including dark-bellied brent geese and avocets
Extensive tidal mudflats and salt marsh habitats teeming with wildlife
Bird hides at key observation points along the Orwell and Stour rivers
Sections of the Suffolk Coast Path providing scenic coastal walking
Strategically placed hides near the estuaries that allow close-up views of feeding and roosting birds without disturbance.
Extensive areas of salt-tolerant vegetation providing breeding grounds and protection for a diversity of bird and invertebrate species.
A long-distance walking trail running along parts of the estuary shoreline, offering scenic views of tidal landscapes.