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| Site of Special Scientific Interest | |
| Location | Northamptonshire |
|---|---|
| Grid reference | TF 003 038[1] |
| Interest | Biological |
| Area | 6.6 hectares[1] |
| Notification | 1983[1] |
| Location map | Magic Map |
Collyweston Quarries is a 6.6-hectare (16-acre) biological Site of Special Scientific Interest in Easton on the Hill in Northamptonshire, south of Stamford in England.[1][2] It is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire.[3]
This former limestone quarry is now rough grassland on Jurassic limestone. The flora is diverse, and more than a hundred flowering plants have been recorded, including wild thyme, dropwort, dyer's greenweed and clustered bellflower. There is a substantial butterfly population.[4]
There is access from a footpath adjacent to a house called Deep Side on Stamford Road.