Blenheim Park

{{Short description|UK Site of Special Scientific Interest}}

{{Infobox SSSI

|image= Blenheim Palace Park & Lake (6092901789).jpg

|image_caption =

|name= Blenheim Park

|aos= Oxfordshire

|interest=Biological

|gridref={{gbmappingsmall|SP 435 155}}

|area= {{convert|224.3|ha|acre|abbr=off}}

|notifydate= 1986

|map=[https://magic.defra.gov.uk/MagicMap.aspx?startTopic=Designations&activelayer=sssiIndex&query=HYPERLINK%3D%271001566%27 Magic Map]

}}

Blenheim Park is a {{convert| 224.3 |ha|acre|abbr=off|adj=on}} biological Site of Special Scientific Interest in the civil parish of Blenheim, in the West Oxfordshire district, in Oxfordshire, England, on the outskirts of Woodstock.{{cite web|url= https://designatedsites.naturalengland.org.uk/SiteDetail.aspx?SiteCode=S1001566&SiteName=&countyCode=34&responsiblePerson=&SeaArea=&IFCAArea= |title=Designated Sites View: Blenheim Park | series= Sites of Special Scientific Interest|publisher=Natural England|accessdate = 12 March 2020}}{{cite web|url=https://magic.defra.gov.uk/MagicMap.aspx?startTopic=Designations&activelayer=sssiIndex&query=HYPERLINK%3D%271001566%27 |title=Map of Blenheim Park|series= Sites of Special Scientific Interest|publisher=Natural England|accessdate= 12 March 2020}} It occupies most of the grounds of Blenheim Palace.

The park was once an Anglo-Saxon chase and then a twelfth-century deer park. It now has some of the best areas of pasture and oak woodland in the country. The large lakes were created in the eighteenth century, and they are regionally important for breeding and wintering birds. Invertebrates include three rare beetles which are included in the British Red Data Book of Invertebrates, Rhizophagus oblongicollis, Plectophloeus nitidus and Aeletesatomarius.{{cite web|url=https://designatedsites.naturalengland.org.uk/PDFsForWeb/Citation/1001566.pdf |title= Blenheim Park citation|series= Sites of Special Scientific Interest|publisher=Natural England|accessdate= 12 March 2020}}