It is between Orcombe Point near Exmouth in East Devon and Old Harry Rocks near Swanage in East Dorset . The site stretches from Orcombe Point near Exmouth in East Devon to Old Harry Rocks near Swanage in East Dorset , a distance of 153 k. Chartered in 2001 , the Jurassic coast was the second wholly-natural World Heritage Site to be designated in the United Kingdom .