By Ard Oostra, Switzerland
Steepest ½ kilometer begins at km 16.9 (12.9%)
Doi Pui: This is one of the most popular climbs for cyclists in Thailand due to its proximity to Chiang Mai and its wide (2 lanes up, 1 lane down) and mild gradient road. You may see a variety of cyclists, from the occasional climber to professional national teams along the way.
Otherwise the road is mainly used by tourists (many minibuses and taxis) wanting to visit the Wat Phrathat Doi Suthep Monastery half way up and higher up the Bhubing Palace. The road section that is beyond the Palace is small, steep and at places the surface is in poor condition.
In the lower and midsections there are panoramic views over Chiang Mai region, at the higher parts there are at some points openings in the lush green vegetation and one can see the surrounding mountain land in western and northern directions.
Ard Oostra, January 2018