| Site of Special Scientific Interest | |
| Area of Search | East Sussex |
|---|---|
| Grid reference | TQ931224 |
| Coordinates | 50°58′05″N 0°45′04″E / 50.968°N 0.751°ECoordinates: 50°58′05″N 0°45′04″E / 50.968°N 0.751°E |
| Interest | Geological |
| Area | 0.125 ha (0.31 acres) |
| Notification | 1990 |
| Natural England website | |
Houghton Green Cliff is a 0.125 hectare (0.31 acre) geological Site of Special Scientific Interest in East Sussex, England. The site was notified in 1990 under the Wildlife and Countryside Act 1981.