Agriculture in Scotland in the geography of Scotland is the distinction between the Highlands and Islands in the north and west and the Lowlands in the south and east. The Highlands are further divided into the Northwest Highlands and the Grampian Mountains by the fault line of the Great Glen. The Lowlands are divided into the fertile belt of the Central Lowlands and the higher terrain of the Southern Uplands, which included the Cheviot hills, over which the border with England runs. The Central Lowland belt averages about 50 miles in width, and contains most of the good quality agricultural land. Scotland is
Mountains and hills of England East England, including East Anglia and London, is also predominantly flat. The underlying rock is chalk, and meaningful heights are only attained in the Chiltern Hills (Haddington Hill: ), the North Wessex Downs (Walbury Hill: ), the North Downs (Leith Hill: ) and the South Downs (which includes the chalk cliffs at Beachy Head and Seven Sisters). South of Bristol and Bath, the Mendip Hills (Black Down: ) are the first group of hills in South West England. The Purbeck Hills (and their continuation onto the Isle of Wight) line the south coast, and a number of other groups of