Op Luang National Park Op Luang National Park Op Luang National Park () is a national park in Chiang Mai Province, Thailand. It is home to a scenic river canyon, waterfalls, and caves. Op Luang National Park is about south of Chiang Mai in Chom Thong, Mae Chaem and Hot Districts. The park's area is . It is contiguous with Doi Inthanon National Park. Like Doi Inthanon Park, Op Luang is in the Thanon Thong Chai Range. Prehistoric paintings and other artefacts have been found in Op Luang National Park. The Doi Pha Chang area has a cliff painting of an elephant. Near Op
Wat Phra That Doi Suthep placed by the king on the back of a white elephant which was released into the jungle. The elephant is said to have climbed up Doi Suthep, at that time called Doi Aoy Chang ("Sugar Elephant Mountain"), stopped, trumpeted three times, then dropped dead. This was interpreted as an omen. King Nu Naone immediately ordered the construction of a temple at the site. The name of the Temple (Wat Phra That Doi Suthep) actually explains what the temple has. "Phra" entails of an honorific Buddha image, and "That" means a relic. Combining the two tells that there is a relic