Sawbridgeworth Marsh is a 6.3-hectare (16-acre) biological Site of Special Scientific Interest (SSSI) near SawbridgeworthinHertfordshire, apart from a small area in the north which is in Essex. It is managed by the Essex Wildlife Trust. The planning authorities are East Hertfordshire District Council and Uttlesford District Council.[1][2][3][a]
| Site of Special Scientific Interest | |
 | |
| Location | Hertfordshire Essex |
|---|---|
| Grid reference | TL492158 |
| Interest | Biological |
| Area | 6.3 hectares |
| Notification | 1986 |
| Location map | Magic Map |
The site is a river valley marsh close to the River Stort, which has a varied wetland flora. Grazing and cutting of the marsh in rotation maintain biological diversity. The site also has an important wetland fauna and many moth species.[1] Uncommon plants include marsh willowherb, marsh valerian and marsh arrow-grass, and drainage ditches and two ponds have a rich aquatic life.[3]
The site is always open and there is access from Hallingbury Road.[3]
51°49′15″N 0°09′48″E / 51.8209°N 0.1634°E / 51.8209; 0.1634