Chilbolton Common

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

{{Infobox SSSI

|image= The Old Cottage on Chilbolton Common - geograph.org.uk - 822221.jpg

|image_caption =

|name= Chilbolton Common

|aos= Hampshire

|interest=Biological

|gridref={{gbmappingsmall|SU 386 399}}

|area= {{convert|35.5|ha|acre|abbr=off}}

|notifydate= 1987

|map=[https://magic.defra.gov.uk/MagicMap.aspx?startTopic=Designations&activelayer=sssiIndex&query=HYPERLINK%3D%271000099%27 Magic Map]

}}

Chilbolton Common is a {{convert| 35.5|ha|acre|abbr=off|adj=on}} biological Site of Special Scientific Interest in Chilbolton in Hampshire.{{cite web|url=https://designatedsites.naturalengland.org.uk/SiteDetail.aspx?SiteCode=S1000099&SiteName=&countyCode=19&responsiblePerson=&SeaArea=&IFCAArea= |title=Designated Sites View: Chilbolton Common| series= Sites of Special Scientific Interest|publisher=Natural England|accessdate =9 May 2020}}{{cite web|url=https://magic.defra.gov.uk/MagicMap.aspx?startTopic=Designations&activelayer=sssiIndex&query=HYPERLINK%3D%271000099%27 |title=Map of Chilbolton Common|series= Sites of Special Scientific Interest|publisher=Natural England|accessdate= 9 May 2020}}

This site comprises a stretch of the River Test and its neighbouring flood plain. Habitats include marshy meadows, fen, willow carr and chalk downland. The flora is rich and diverse, with more than 265 species of flowering plant recorded, such as marsh arrowgrass, bog pimpernel, adders-tongue fern and early marsh-orchid.{{cite web|url= https://designatedsites.naturalengland.org.uk/PDFsForWeb/Citation/1000099.pdf |title=Chilbolton Common citation|series= Sites of Special Scientific Interest|publisher=Natural England|accessdate= 9 May 2020}}