| Site of Special Scientific Interest | |
 | |
  Location within Southwest Cornwall | |
| Location | Cornwall |
|---|---|
| Grid reference | SW395224 |
| Coordinates | 50°02′42″N 5°38′21″W / 50.0451°N 5.6392°W |
| Interest | Biological |
| Area | 49.3 hectares (0.493 km2; 0.190 sq mi) |
| Notification | 1951 |
| Natural England website | |
Treen Cliff is a Site of Special Scientific Interest (SSSI) located on the Penwith Peninsula in Cornwall, England, 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.[1] Designated for both for its biological and geological interest, part of the site, Treryn Dinas, is a Scheduled Ancient Monument consisting of a "cliff castle" with four ramparts and ditches and the Logan Rock. It is within the Cornwall Area of Outstanding Natural Beauty (AONB),[2] the Penwith Heritage Coast[3] and is part owned and managed by the National Trust.
- ^ Ordnance Survey: Landranger map sheet 203 Land's End ISBN 978-0-319-23148-7
- ^ Area Of Outstanding Natural Beauty http://www.aonb.org.uk/
- ^ Penwith Heritage Coast http://www.britainexpress.com/countryside/coast/penwith.htm