Walthamstow Marshes
| Site of Special Scientific Interest | |
Boardwalk across an environmental protection area | |
| Location | Greater London |
|---|---|
| Grid reference | TQ352875 |
| Interest | Biological |
| Area | 36.7 hectares |
| Notification | 1985 |
| Location map | Magic Map |
Walthamstow Marshes, is a 36.7-hectare (91-acre) biological Site of Special Scientific Interest in Walthamstow in the London Borough of Waltham Forest. It was once an area of lammas land – common land used for growing crops and grazing cattle.