Kingston Escarpment and Iford Hill Tags: Site Of Special Scientific Interest.Kingston Escarpment & Iford Hill is a 64.4 hectare (159.1 acre) biological Site of Special Scientific Interest in East Sussex England. The site was notified in 1986 under the Wildlife and Countryside Act 1981. area of search East Sussex area total (km2) 644000.0 interest Biological Learn more... Loading...