Tags: Site Of Special Scientific Interest.
Carreg Cennan is a Site of Special Scientific Interest (SSSI) in Carmarthenshire Wales (Grid reference SN670191). The site consists of a 19.5-hectare (48-acre) strip of land surrounding a line of carboniferous limestone cliffs.The site includes the spectacular limestone cliffs topped by Carreg Cennen Castle as well as broadleaved woodland and limestone grassland.