Cranberry Rough is an 81.1-hectare biological and geological Site of Special Scientific Interest in the parish of Hockham, east of Attleborough in Norfolk, England. It is a Nature Conservation Review site, Grade 2, and the Great Eastern Pingo Trail, which is a Local Nature Reserve, goes through the site. Part of it is a Geological Conservation Review site, a…Cranberry Rough is an 81.1-hectare biological and geological Site of Special Scientific Interest in the parish of Hockham, east of Attleborough in Norfolk, England. It is a Nature Conservation Review site, Grade 2, and the Great Eastern Pingo Trail, which is a Local Nature Reserve, goes through the site. Part of it is a Geological Conservation Review site, and it is part of the Breckland Special Protection Area.