Crag Farm Pit, Sudbourne

{{Short description|Protected area in Suffolk, England}}

{{Infobox SSSI

|image= Crag Farm Pit, Sudbourne 4.jpg

|image_caption =

|name= Crag Farm Pit, Sudbourne

|aos= Suffolk

|interest=Geological

|gridref={{gbmappingsmall| TM 428 523 }}

|area= 4.8 hectares

|notifydate= 1985

|map=[http://magic.defra.gov.uk/MagicMap.aspx?startTopic=Designations&activelayer=sssiIndex&query=HYPERLINK%3D%271003330%27 Magic Map]

}}

Crag Farm Pit, Sudbourne is a {{convert|4.8|hectare|acre|adj=on}} geological Site of Special Scientific Interest east of Sudbourne in Suffolk.{{cite web|url= https://designatedsites.naturalengland.org.uk/SiteDetail.aspx?SiteCode=S1003330&SiteName=crag%20farm&countyCode=&responsiblePerson=&SeaArea=&IFCAArea= |title=Designated Sites View: Crag Farm Pit, Sudbourne | series= Sites of Special Scientific Interest|publisher=Natural England|accessdate = 21 May 2017}}{{cite web|url=http://magic.defra.gov.uk/MagicMap.aspx?startTopic=Designations&activelayer=sssiIndex&query=HYPERLINK%3D%271003330%27 |title=Map of Crag Farm Pit, Sudbourne|series= Sites of Special Scientific Interest|publisher=Natural England|accessdate= 21 May 2017}} It is a Geological Conservation Review site,{{cite web|url= http://jncc.defra.gov.uk/default.aspx?page=4174&gcr=515 |series=Geological Conservation Review|title= Crag Farm, Sudbourne (Neogene) |publisher=Joint Nature Conservation Committee|accessdate= 3 May 2017}} and within the Suffolk Coast and Heaths Area of Outstanding Natural Beauty.{{cite web|url=http://www.suffolkcoastandheaths.org/assets/AONB-Management-Plan-20132018.pdf|page=76|title=Suffolk Coast & Heaths Area of Outstanding Natural Beauty Management Plan 2013–2018|publisher=Suffolk Coast & Heaths AONB|accessdate=6 August 2016|archive-url=https://web.archive.org/web/20160815202035/http://www.suffolkcoastandheaths.org/assets/AONB-Management-Plan-20132018.pdf|archive-date=2016-08-15|url-status=dead}}

This site dates to the early Pliocene, around four million years ago. It is described by Natural England as an important geological site, which has the best exposure of sandwave facies of the Coralline Crag Formation. Fossils of many bryozoan species are present.{{cite web|url=http://www.sssi.naturalengland.org.uk/citation/citation_photo/1003330.pdf|title=Crag Farm Pit, Sudbourne citation|series=Sites of Special Scientific Interest|publisher=Natural England|accessdate=21 May 2017|url-status=dead|archiveurl=https://web.archive.org/web/20150504200624/http://www.sssi.naturalengland.org.uk/citation/citation_photo/1003330.pdf|archivedate=4 May 2015}}

The site has been filled in and is now a field. It is on private land with no public access.