The Severn Estuary Special Area of Conservation is a vital coastal ecosystem known for its extensive mudflats, saltmarshes, and diverse tidal habitats, offering excellent opportunities for wildlife observation and coastal exploration.
The Severn Estuary Special Area of Conservation (SAC) spans the estuarine waters and adjacent habitats of the Severn Estuary, located between south-west England and south Wales. Renowned for having one of the highest tidal ranges in the world, the estuary features extensive mudflats, sandbanks, saltmarshes, reedbeds, and sand dunes. These habitats support rich and varied wildlife populations, including internationally important numbers of migratory and overwintering waterfowl such as waders, wildfowl, and seabirds. The estuary is particularly significant for species like the Eurasian otter, Atlantic salmon, and twaite shad, as well as various rare invertebrates and aquatic plants. Its coastal areas offer important breeding grounds and feeding areas, contributing to its designation as an SAC under the European Union Habitats Directive.
The estuary also encompasses a number of protected sites, including parts of the Gwent Levels and the Severn Estuary Nature Reserve. The surrounding landscape blends industrial heritage with rural countryside, with historical landmarks such as the iconic Severn Bridge and remnants of traditional maritime activities. Recreation opportunities include birdwatching, fishing, kayaking, and coastal walking along paths like the Severn Way, which traces the estuary's banks through picturesque villages and wetlands.
Visitors are drawn to the estuary’s abundant wildlife and dramatic tidal phenomena, especially during peak migrations and storm tides. The area’s intertidal mudflats provide critical feeding grounds for hundreds of thousands of birds, making it a hotspot for nature enthusiasts and photographers. The estuary plays a key role in regional conservation efforts, balancing ecological protection with community use and industry. Its unique natural and cultural heritage makes it a distinctive destination for outdoor recreation along the UK coastline.
Dramatic tidal range reaching up to 15 meters, one of the highest globally
Internationally important mudflats and saltmarshes teeming with migratory birds
Severn Way coastal trail offering scenic walking and wildlife viewing
Views of iconic Severn Bridge and surrounding historic estuarine landscape
These intertidal habitats are essential feeding and roosting sites for large populations of migratory wading birds and wildfowl.
A long-distance footpath that follows the estuary’s edge, offering access to diverse landscapes and birdwatching opportunities.
A landmark suspension bridge spanning the estuary, offering striking views and a reminder of the area’s transport history.