| Site of Special Scientific Interest | |
![]() Location of Browndown. | |
| Area of search | Hampshire |
|---|---|
| Grid reference | SZ 578 991 |
| Interest | Biological |
| Area | 66.5 hectares (164 acres) |
| Notification date | 1985 |
| Location map | Magic Map |
Browndown is a 66.5-hectare (164-acre) biological Site of Special Scientific Interest (SSSI) in Gosport in Hampshire.
This is a shingle beach owned by the Ministry of Defence, which has areas of heather, grass heath and gorse. There are a range of invertebrates specialising in these habitats, including 90 flies, 60 aculeata and 83 true bugs, including the rare Dalman's leatherbug.