title: Cleeve Hill SSSI, Somerset
text: # Cleeve Hill SSSI, Somerset
  
  Cleeve Hill (grid reference ST056428) is a 15.1 hectare (37.4 acre) biological Site of Special Scientific Interest between Old Cleeve and Watchet in Somerset, notified in 1989.
  
  The site covers a moderate to steeply sloping south face of the Washford River Valley. It supports a rich and diverse calcareous grassland community with associated mixed woodland and scrub. The site contains two species of plant which are nationally rare in Great Britain, Nit-grass (Gastridium ventricosum) and Rough Marsh-mallow (Althaea hirsuta).
  
  