Weymouth, Dorset to the main town centre. There are 11 Sites of Special Scientific Interest in the borough, which cover an area of , and there are 37 other Nature Conservation Designations. Situated approximately halfway along the Jurassic Coast, Weymouth is a gateway town to the UNESCO World Heritage Site, which includes of the Dorset and east Devon coast that is important for its geology and landforms. The South West Coast Path has two routes around Weymouth and Portland—one around its coast, and one along the South Dorset Downs, which reduces the path's length by . The path is the United Kingdom's
Geology of Dorset to erosion as the chalk was folded and forced upwards. The early deposits from this period, found across South-East England, do not occur in Dorset. The small amounts found in Devon however, coupled with the many solution holes found across the Dorset chalk, suggests that erosion may have removed them. Some of the larger solution holes, known as dolines, are found on the heaths between Dorchester and Bere Regis. Near Briantspuddle is Culpepper's Dish, 86 metres wide and over 21 metres deep. The first deposits found from this period in Dorset are the Reading Formation clays. A sub-division of the