Doi Suthep-Pui National Park (Thai: อุทยานแห่งชาติดอยสุเทพ-ปุย) is located in the Thanon Thong Chai Range, Chiang Mai Province, in northern Thailand. Established in 1981, it is an IUCN Category II protected area measuring 261.06 square kilometres (100.80 sq mi). The mountain Doi Suthep is within the park.