| Site of Special Scientific Interest | |
 | |
 Location of Frisby Marsh. | |
| Area of search | Leicestershire |
|---|---|
| Grid reference | SK 686 173 |
| Interest | Biological |
| Area | 10.2 hectares |
| Notification date | 1983 |
| Location map | Magic Map |
Frisby Marsh is a 10.2-hectare (25-acre) biological Site of Special Scientific Interest east of Frisby on the Wreake in Leicestershire.
This site has spring-fed marshes, grassland, woodland and a pool and channel which are relicts of a former ox-bow lake of the adjacent River Wreake. The marshes have a rich flora, with plants such as marsh valerian and marsh arrowgrass.
A public footpath goes through the southern end of the site.