Wiang Pa Pao district
Wiang Pa Pao is the southwesternmost district of Chiang Rai province, northern Thailand.
Geography
Neighboring districts are : Mae Suai and Phan of Chiang Rai Province; Wang Nuea and Mueang Pan of Lampang province; Doi Saket and Phrao of Chiang Mai province.The Khun Tan Range runs along the west side of the district and its highest point, 2,031 m high Doi Mae Tho, is at its southwest end.