| Site of Special Scientific Interest | |
 Aerial view of the Ribble Estuary | |
  Location in Lancashire  Location in Merseyside | |
| Location | Merseyside and Lancashire |
|---|---|
| Grid reference | SD375240 |
| Coordinates | 53°43′N 2°58′W / 53.71°N 2.97°W |
| Interest | Biological |
| Area | 9226.3 hectares, 22,798.2 acres (92,261,000 m2) |
| Notification | 1966 (Southport Sanctuary) 1976 (Ribble Estuary) 1984 |
| Designated | 28 November 1985 |
| Reference no. | 325[1] |
| Natural England website | |
The Ribble and Alt Estuaries lie on the Irish Sea coast of the ceremonial counties of Lancashire and Merseyside in the traditional county of Lancashire in north-west England, and form the boundaries of a number of conservation schemes.
- ^ "Ribble & Alt Estuaries". Ramsar Sites Information Service. Retrieved 25 April 2018.
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