|Site of Special Scientific Interest|
|Area||239.7 hectares (592 acres)|
|Location map||Magic Map|
|Elevation||271 m (889 ft)|
|Prominence||158 m (518 ft)|
|Parent peak||Walbury Hill|
|Location||South Downs, England|
|Topo map||OS Landranger 197|
Butser Hill is a hill and nature reserve in Hampshire, England. South-west of Petersfield, it is a 239.7-hectare (592-acre) biological and geological Site of Special Scientific Interest. It is a national nature reserve and a Special Area of Conservation. Part of it is a Geological Conservation Review site and an area of 84.8 hectares (210 acres) is Oxenbourne Down, which is designated a Local Nature Reserve. Part of it is a Scheduled Monument.
It is a chalk hill and one of the highest points in Hampshire. It is also the highest point on the chalk ridge of the South Downs and the second highest point in the South Downs National Park after Blackdown in the Western Weald. Although only 271 metres (889 ft) high, it qualifies as one of England's Marilyns. It is located within the borders of the Queen Elizabeth Country Park.
The name Butser comes from the Old English Bryttes Oran meaning Briht's slope. Oran or Ora is Old English for flat topped hill and/or steep slope.
There are aerial masts on the hill.
Butser Hill has a rich variety of flora and fauna located upon the hill. Butser Hill is in the top twenty Hampshire chalk grassland sites for its rich vascular flora, and is the richest chalk grassland site in Hampshire in terms of its bryophyte (125 species) and lichen (82 species) flora. As well as this, over 30 species of butterfly have been recorded, including populations of Duke of Burgundy and the Silver-spotted Skipper, making the area an important conservation area for many butterfly species.
- "Designated Sites View: Butser Hill". Sites of Special Scientific Interest. Natural England. Retrieved 8 May 2020.
- "Map of Butser Hill". Sites of Special Scientific Interest. Natural England. Retrieved 8 May 2020.
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- "Designated Sites View: Butser Hill". Special Areas of Conservation. Natural England. Retrieved 24 April 2020.
- "Rake Bottom (Quaternary of South Central England)". Geological Conservation Review. Joint Nature Conservation Committee. Retrieved 21 April 2020.
- "Designated Sites View: Oxenbourne Down, Clanfield". Local Nature Reserves. Natural England. Retrieved 24 April 2020.
- "A hilltop enclosed by Iron Age cross dykes, an associated field system and Bronze Age barrows at Butser Hill". Historic England. Retrieved 8 May 2020.
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