The site (under its current boundaries) was notified on 26 May 1995, however the Botallack Head to Cape Cornwall SSSI was first scheduled in 1967, and the Gurnard's Head and Porthmeor Cove, and Trevega and Trowan Cliffs SSSI was first scheduled in 1951.
The site (under its current boundaries) was notified on 26 May 1995, having first been notified in 1972. However the Botallack Head to Cape Cornwall SSSI was first scheduled in 1967, and the Gurnard's Head and Porthmeor Cove, and Trevega and Trowan Cliffs SSSI was first scheduled in 1951.