Porton Meadows () is a 17.6

hectare The hectare (; SI symbol: ha) is a non-SI metric unit of area equal to a square with 100- metre sides (1 hm2), or 10,000 m2, and is primarily used in the measurement of land. There are 100 hectares in one square kilometre. An acre is ...

biological Site of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of ...

in Wiltshire, England, notified in 1988.

Sources

* Sites of Special Scientific Interest in Wiltshire Sites of Special Scientific Interest notified in 1988 Meadows in Wiltshire {{Wiltshire-geo-stub