Details in this Area: Country: Thailand (Siam), Laos PDR Area: North Province: Nan, Xaigna Bouri, Uttaradit Cities: Santi Su, Nan, Mae Charim, Wiang Sa, Na Noi Islands: National Parks: Pha Tum FP Temple: Phra That Sae Haeng Mountains: Doi Ku Sathan Others: Sao Din Canyon