Details in this Area: Country: Laos PDR, Thailand (Siam) Area: North Province: Chiang Rai, Udom Xai, Xaigna Bouri, Nan, Phayao Cities: Chiang Khong, Phan, Mae Chai, Chun Islands: National Parks: Doi Luang NP Temple: Mountains: Doi Yao, Phu Chi Fa Others: Sai Khao Waterfall