Mills Rocks

{{Use dmy dates|date=April 2022}}

{{Infobox SSSI

|image= Mills Rocks (2).jpg

|image_caption =

|name= Mills Rocks

|aos= West Sussex

|interest=Biological

|gridref={{gbmappingsmall|TQ 414 370}}

|area= {{convert|1.9|ha|acre|abbr=off}}

|notifydate= 1985

|map=[https://magic.defra.gov.uk/MagicMap.aspx?startTopic=Designations&activelayer=sssiIndex&query=HYPERLINK%3D%271000560%27 Magic Map]

}}

Mills Rocks is a {{convert|1.9 |ha|acre|abbr=off|adj=on}} biological Site of Special Scientific Interest south-east of East Grinstead in West Sussex.{{cite web|url= https://designatedsites.naturalengland.org.uk/SiteDetail.aspx?SiteCode=S1000560&SiteName=&countyCode=46&responsiblePerson=&SeaArea=&IFCAArea= |title=Designated Sites View: Mills Rocks | series= Sites of Special Scientific Interest|publisher=Natural England|accessdate = 6 May 2019}}{{cite web|url= https://magic.defra.gov.uk/MagicMap.aspx?startTopic=Designations&activelayer=sssiIndex&query=HYPERLINK%3D%271000560%27|title=Map of Mills Rocks|series= Sites of Special Scientific Interest|publisher=Natural England|accessdate= 6 May 2019}}

This site has rock outcrops with a number of rare plants, such as reed fescue grass at one of its only two locations in southern England. The rocks also support a rich variety of mosses and liverworts. There are also areas of woodland, bracken and bramble.{{cite web|url= https://designatedsites.naturalengland.org.uk/PDFsForWeb/Citation/1000560.pdf |title=Mills Rocks citation|series= Sites of Special Scientific Interest|publisher=Natural England|accessdate= 6 May 2019}}

The site is private land but a public footpath runs through it.