| Site of Special Scientific Interest | |
 Porth Kidney Sands | |
  Location within Cornwall  Hayle Estuary and Carrack Gladden SSSI (England) | |
| Coordinates | 50°11′31″N 5°26′06″W / 50.192°N 5.435°W |
|---|---|
| Interest | Biological |
| Area | 191.8 hectares (1.918 km2; 0.7405 sq mi) |
| Notification | 1951 |
The Hayle Estuary and Carrack Gladden SSSI is a Site of Special Scientific Interest, noted for its biological interest, in west Cornwall, England, UK.[1] It consists of three distinct parts, each of which is covered in a separate article: the Hayle Estuary, the sand-dune system of Porth Kidney Sands and the coastal headland at Carrack Gladden.
- ^ "Hayle Estuary & Carrack Gladden" (PDF). Natural England. 1993 [1984]. Archived from the original (PDF) on 12 October 2019. Retrieved 12 October 2019.