| Site of Special Scientific Interest | |
![]() Location of Barnham Cross Common. | |
| Area of search | Norfolk, England |
|---|---|
| Grid reference | TL 865 813 |
| Interest | Biological |
| Area | 69.1 hectares (171 acres) |
| Notification date | 1986 |
| Location map | Magic Map |
Barnham Cross Common is a 69.1-hectare (171-acre) biological Site of Special Scientific Interest on the southern outskirts of Thetford in Norfolk, England. It is owned by Thetford Town Council and is registered common land. It is also a Local Nature Reserve and a Nature Conservation Review site, Grade 1. It is part of the Breckland Special Area of Conservation and Special Protection Area.
This grassland and heath common has diverse habitats and a rich flora, including several nationally rare plants. There are nearly a hundred species of birds, including sixty which breed on the site, and a wide range of invertebrates.
The common is open to the public. Part of the land designated as Barnham Cross Common SSSI is owned by the Ministry of Defence.