Tags: Site Of Special Scientific Interest.
Purn Hill (grid reference ST332573) is a 6.1 hectare biological Site of Special Scientific Interest near the village of Bleadon Somerset notified in 1990. The site is a small promontory of Carboniferous Limestone projecting southward from the main Mendip ridge. The SSSI citation sheet describes the site as having an exceptionally diverse unimproved calcareous grassland flora.
