Op Luang National Park woodpecker, pheasant and partridge. 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
Nelson Doi Islands. Upon his retirement from that court, Doi taught at various schools in Japan. Doi returned to Waimea on the Big Island of Hawaii where he helped build the North Hawaii Community Hospital. Nelson Doi Nelson Kiyoshi Doi (January 1, 1922 – May 16, 2015), was the fifth lieutenant governor of Hawaii from 1974 to 1978 in the first elected administration of Governor George Ariyoshi. Doi was a member of the Hawaii Democratic Party. Doi attended the University of Hawaii, where he was president of the Associated Students of the University of Hawaii from December 1944 to June 1945 (Yim).