Pig Hill is a Site of Special Scientific Interest in the County Durham district of north-east County Durham, England, situated 1 km south of the village of Easington Lane.

Pig Hill
Site of Special Scientific Interest
Location	MAGiC MaP
Nearest town	Hetton-le-Hole, Sunderland
Coordinates	54°47′38″N 1°25′56″W
Area	12.6 ha (31 acres)
Established	1992
Governing body	Natural England
Website	Pig Hill SSSI

The steep hill slopes support an extensive area of primary magnesian limestone grassland in which blue moor-grass, Sesleria albicans, is abundant. The rich assemblage of grassland species includes a number of rare and local species, bird's-eye primrose, Primula farinosa, adder's-tongue fern, Ophioglossum vulgatum, lesser club-moss, Selaginella selaginoides, and grass of Parnassus, Parnassia palustris, as well as an inland colony of sea plantain, Plantago maritima. [1]

Notable among the fauna is the Durham Argus butterfly, Aricia artaxerxes salmacis, a form which is only found in the magnesian limestone areas of Durham.

References

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