Mount Caburn is an isolated hill, one of the highest landmarks in the county of East Sussex, England. It represents a remote part of the South Downs, isolated by Glynde Reach, a tributary of the River Ouse. The remains of an Iron Age hill fort can be found here, which has been oftenly excavated. it stands within Lewes Downs Site of Special Scientific Interest and has been designated a Special Area of Conservation. The hill is home to a vast population of stonechats, an insectivore birds. It has always been a favourite subject of painters and illustrators.