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
Doi (retailer) (, "Kamera no Doi"); these were known for the array of used cameras as well as competitive prices of new equipment. By the 1980s, Doi was as large a presence as Yodobashi Camera in the Nishi-Shinjuku area of west-central Tokyo. Its sales peaked in March 1989. However, it faltered in the 1990s and closed down in 2003. Doi Technical Photo seems to have survived this, even running a photography gallery in Yūrakuchō, but now (2006) appears to be defunct. Doi (retailer) Its roots go back to Doi Shōten (), also referred to as Doi Shōkai (). This was a Japanese