From the Andaman Sea to Ong the Northern part of Trang Province, Nam the traders could have gone overland to and Nakhon Si Thammarat. Archaeological nce. sites along this route are at Khao Sai, Trang Province. The TaRua River could Sea have carried them to the coast where ers artifacts were found at Ta Rua site and Ta Muang Phra Vieng Site in Nakhon Sri un- Thammarat