Doi Chiang Dao National Park. Doi Chiang Dao is one of the most visited birdwatching sites in Thailand with over 300 species of birds, including rare species such as the giant nuthatch and Hume's pheasant. Doi Chiang Dao Doi Chiang Dao (, ), also known as Doi Luang Chiang Dao (, ), is a 2,175 m high mountain in Chiang Dao District of Chiang Mai Province, Thailand. It is one of the highest peaks of the Daen Lao Range on the Thai side of the border. Doi Chiang Dao is part of a limestone massif located six km west-northwest of Chiang Dao town
Highest unclimbed mountain Highest unclimbed mountain An unclimbed mountain is a mountain peak that has yet to be climbed to the top. Determining which unclimbed peak is highest is often a matter of controversy. In some parts of the world, surveying and mapping are still unreliable, and there are no comprehensive records of the routes of explorers, mountaineers and local inhabitants. In some cases, even modern ascents by larger parties have been poorly documented and, with no universally recognized listing, the best that can be achieved in determining the world's highest unclimbed peaks is somewhat speculative. Most sources indicate that Gangkhar Puensum ()