Staverton Park and The Thicks, Wantisden is an 80.8-hectare (200-acre) biological Site of Special Scientific Interest west of Butley in Suffolk.

[4][5] It is in the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.

[6] This ancient park is woodland on sandy soil, with mature pollarded oaks, while The Thicks is a dense wood with hollies, some of them thought to be the largest in Britain.

There is a rich lichen flora, and invertebrates include rare species.

[7] The site is private land but a public footpath goes through it.