Doi Inthanon was named "Mount Royal" or "Doi Ang Ka" Doi Luang means large mountain. Doi Inthanon is part of the Himalayas. Across from Nepal and Bhutan, Myanmar, came to an end here. The interesting thing of this hill is not only the highest mountain in the country with 2,565 meters above sea level only. But the terrain and forest diversity. Whether it is evergreen, pine, mixed forest and cold weather throughout the year, especially in winter fog covered most of the day and sometimes frosts.