The Bottoms is a Site of Special Scientific Interest in County Durham, England. It lies just south of the A181 road, roughly midway between the villages of Cassop and Wheatley Hill, some 10 km south-east of Durham city.The site's interest lies in an area of unimproved magnesian limestone grassland, in which blue moor-grass, Sesleria albicans, and small scabious, Scabiosa columbaria, are the dominant species.