Upton Cow Down (grid reference ST875491 ) is a 16.4 hectare biological Site of Special Scientific Interest in Wiltshire. The down is an area of chalk grassland on the western edge of Salisbury Plain. It lies one mile south of the town of Westbury, above the village of Upton Scudamore.
Coordinates: 51°14′27″N2°10′50″W / 51.24094°N 2.18045°W
Hawkesbury Quarry is a 0.25-hectare (0.62-acre) geological Site of Special Scientific Interest near the village of Hawkesbury Upton, South Gloucestershire, notified in 1967.
Upton Coombe is a 7.4 hectare biological Site of Special Scientific Interest near the village of Hawkesbury Upton, South Gloucestershire, notified in 1989.
Charnage Down Chalk Pit is a 3.7 hectare geological Site of Special Scientific Interest in Wiltshire, England, notified in 1971.
West Yatton Down is a 14.4 hectare biological Site of Special Scientific Interest in Wiltshire, notified in 1971.
Throope Down is a 34.4 hectare biological Site of Special Scientific Interest in Wiltshire, England, notified in 1971.
Stratford Toney Down is a 23.1 hectare biological Site of Special Scientific Interest in Wiltshire, notified in 1987.
Steeple Langford Down is a 21.75 hectare biological Site of Special Scientific Interest at Steeple Langford in Wiltshire, notified in 1971.
Tytherington Down is a 5.9 hectares biological Site of Special Scientific Interest in Wiltshire, England, notified in 1975. The site spans a dry valley some 1+1⁄2 miles (2.4 km) south of the village of Tytherington and 5 miles (8 km) southeast of Warminster.
Botley Down is a biological Site of Special Scientific Interest in Wiltshire, notified in 1989.
Burcombe Down is an area of chalk grassland situated on a north-facing scarp slope to the south of Burcombe in Wiltshire, England. Because of its species-rich plant communities, an area of 47.1 hectares of the Down has been notified as a biological Site of Special Scientific Interest, notification originally taking place in 1971.
Odstock Down is a 12.1 hectare biological Site of Special Scientific Interest in Wiltshire, England, above the village of Odstock. It was notified in 1975.
Brickworth Down and Dean Hill is a 118.6 hectare biological Site of Special Scientific Interest in Wiltshire, notified in 1951.
Clearbury Down is a 13.3 hectare biological Site of Special Scientific Interest in Wiltshire, England. It is above the village of Charlton-All-Saints in the parish of Downton, south of Salisbury.
Cockey Down is a 15.2 hectare biological Site of Special Scientific Interest in Wiltshire, notified in 1971.
Prescombe Down is a biological Site of Special Scientific Interest in Wiltshire, notified in 1951.
Roundway Down and Covert is an 86 hectare biological Site of Special Scientific Interest near Devizes in Wiltshire, England. It was notified in 1971.
Stockton Wood and Down is a 61.5 hectare biological Site of Special Scientific Interest in the southwest of Stockton parish in Wiltshire, England, notified in 1951.
Starveall and Stony Down is a 22.5 hectare biological Site of Special Scientific Interest in the parishes of Codford and Wylye, Wiltshire, England, notified in 1971.
Danks Down and Truckle Hill is a 13.1 hectare biological Site of Special Scientific Interest in Wiltshire, notified in 1990.
Old Burghclere Lime Quarry SSSI is a 4.61 ha biological Site of Special Scientific Interest at Burghclere in Hampshire, notified in 1979. The Lime Quarry was actively worked until the beginning of the 20th century, and since then has been left to nature, resulting in a unique mix of flora and fauna becoming established at the site.