List of Sites of Special Scientific Interest in Norfolk

In England, Sites of Special Scientific Interest (SSSIs) are designated by Natural England, which is responsible for protecting England's natural environment. Designation as an SSSI gives legal protection to the most important wildlife and geological sites. As of May 2020 there are 163 SSSIs in Norfolk, out of which 123 are biological, 25 are geological and 15 are both biological and geological.

Sixty-one sites are Special Areas of Conservation, forty-four are Special Protection Areas, thirty-two are Ramsar sites, forty are Geological Conservation Review sites, thirty-five are Nature Conservation Review sites, eighteen are national nature reserves, ten are local nature reserves, twenty-eight are in Areas of Outstanding Natural Beauty, one is on the Register of Historic Parks and Gardens and three contain scheduled monuments. Twenty-two sites are managed by the Norfolk Wildlife Trust, one by the Suffolk Wildlife Trust, three by the National Trust, one by the Royal Society for the Protection of Birds and one by the Wildfowl & Wetlands Trust.

Norfolk is a county in East Anglia. It has an area of 2,074 sqmi and a population as of mid-2017 of 898,400. The top level of local government is Norfolk County Council with seven second tier councils: Breckland District Council, Broadland District Council, Great Yarmouth Borough Council, King's Lynn and West Norfolk Borough Council, North Norfolk District Council, Norwich City Council and South Norfolk District Council. The county is bounded by Cambridgeshire, Suffolk, Lincolnshire and the North Sea.

Interest

 * B = site of biological interest
 * G = site of geological interest

Public access

 * FP = access to footpaths through the site only
 * NO = no public access to site
 * PL = public access at limited times
 * PP = public access to part of site
 * YES = public access to all or most of the site

Other classifications

 * AONB = Area of Outstanding Natural Beauty
 * GCR = Geological Conservation Review
 * LNR = Local nature reserve
 * NCR = Nature Conservation Review site
 * NNR = National nature reserve
 * NT = National Trust
 * NWT = Norfolk Wildlife Trust
 * Ramsar = Ramsar site, an internationally important wetland site
 * RHPG= Register of Historic Parks and Gardens of Special Historic Interest in England
 * RSPB = Royal Society for the Protection of Birds
 * SAC = Special Area of Conservation
 * SM = Scheduled monument
 * SPA = Special Protection Area under the European Union Directive on the Conservation of Wild Birds
 * SWT = Suffolk Wildlife Trust
 * WWT = Wildfowl & Wetlands Trust