Tags: Site Of Special Scientific Interest.
Treen Cliff is a Site of Special Scientific Interest (SSSI) located on the Penwith Peninsula in Cornwall UK 6 miles (9.7 km) south-west of Penzance. First notified in 1951 with a revision in 1973 and a further notification on 1 July 1986 it is 49.3 hectares (122 acres) in area stretching from grid reference SW387220 to SW402225.