Weather and Horn Heaths, Eriswell

{{Infobox SSSI

|image= Gorse on Weather Heath - geograph.org.uk - 715899.jpg

|image_caption = Gorse on Weather Heath

|name= Weather and Horn Heaths, Eriswell

|aos= Suffolk

|interest=Biological

|gridref={{gbmappingsmall| TL 783 774 }}

|area= 133.3 hectares

|notifydate= 1983

|map=[http://magic.defra.gov.uk/MagicMap.aspx?startTopic=Designations&activelayer=sssiIndex&query=HYPERLINK%3D%271001889%27 Magic Map]

}}

Weather and Horn Heaths, Eriswell is a {{convert|133.3|hectare|acre|adj=on}} biological Site of Special Scientific Interest east of Eriswell in Suffolk.{{cite web|url= https://designatedsites.naturalengland.org.uk/SiteDetail.aspx?SiteCode=S1001889&SiteName=weather&countyCode=&responsiblePerson=&SeaArea=&IFCAArea= |title=Designated Sites View: Weather and Horn Heaths, Eriswell | series= Sites of Special Scientific Interest|publisher=Natural England|access-date = 14 June 2017}}{{cite web|url= http://magic.defra.gov.uk/MagicMap.aspx?startTopic=Designations&activelayer=sssiIndex&query=HYPERLINK%3D%271001889%27|title=Map of Weather and Horn Heaths, Eriswell|series= Sites of Special Scientific Interest|publisher=Natural England|access-date= 14 June 2017}} It is a Nature Conservation Review site, Grade I,{{cite book|editor-first=Derek |editor-last=Ratcliffe |title=A Nature Conservation Review|volume=2 |pages=133–134 |publisher= Cambridge University Press|location =Cambridge, UK |year=1977|isbn= 0521-21403-3 }} and part of the Breckland Special Area of Conservation,{{cite web|url= http://jncc.defra.gov.uk/ProtectedSites/SACselection/sac.asp?EUCode=UK0019865 |title= Breckland |series=Special Areas of Conservation |publisher=Joint Nature Conservation Committee|access-date= 4 May 2017}}{{cite web|url= https://designatedsites.naturalengland.org.uk/SiteGeneralDetail.aspx?SiteCode=UK0019865&SiteName=breckland&countyCode=&responsiblePerson=&SeaArea=&IFCAArea= |title=Designated Sites View: Breckland | series= Special Area of Conservation|publisher=Natural England|access-date = 10 May 2017}} and Special Protection Area{{cite web|url= https://designatedsites.naturalengland.org.uk/SiteGeneralDetail.aspx?SiteCode=UK9009201&SiteName=breckland&countyCode=&responsiblePerson=&SeaArea=&IFCAArea= |title=Designated Sites View: Breckland | series= Special Protection Area|publisher=Natural England|access-date = 10 May 2017}}{{cite web|url= http://jncc.defra.gov.uk/pdf/SPA/UK9009201.pdf |title=Special Protection Areas under the EC Birds Directive. Breckland. |publisher=Joint Nature Conservation Committee|access-date= 4 May 2017}}

There are areas of acidic grassland and heather, together with large parts dominated by mosses and lichens. Grazing by rabbits and stock has kept plants short and the habitat open.{{cite web|url=http://www.sssi.naturalengland.org.uk/citation/citation_photo/1001889.pdf |title=Weather and Horn Heaths, Eriswell citation|series= Sites of Special Scientific Interest|publisher=Natural England|access-date= 14 June 2017}}

There is public access to the site and the A11 road passes between the two heaths.