The Conwy County Borough is on the north coast of Wales, and has a heavily populated coastal strip. A third of the county is within the Snowdonia National Park. There are a total of 161 scheduled monuments in the county. 106 of these are Prehistoric, including at least six neolithic sites. Like much of Wales, there are large numbers of Bronze Age sites, particularly burial mounds, and some 40 Iron Age sites including hillforts and hut groups. There are just three Roman sites, and six early medieval (Pre-Norman Conquest), all of which are early Christian monuments, including inscribed stones and a holy well. From the post-Norman medieval period, the castle and walls of Conwy itself are part of a World Heritage Site. There are numerous other fortified sites, along with lost villages, ruined