Colorful Leaves in Doi Inthanon National Park. Part of the Himalayan mountain range, Doi Inthanon is Thailand’s tallest peak at 2,565 metres above the sea level. Doi Inthanon National Park covers an area of 482.4 square kilometers in three districts of Chiang Mai province. Cool climate lovers should visit the park during December to February, which is winter and you also get a chance to see the blossom of Siamese sakura flowers all over the area.
