Rising 1,628 m above some of the northernmost territory in Thailand, the climb up Phu Chi Fa (sometimes Phu Chee Fah) is a treasured adventure for Thais but is often left unexplored by travelers to Chiang Mai and Chiang Rai Provinces. Though the mastiff's height may seem fairly tame, being the tallest peak of the Doi Pa Mohn mountain range means the views afforded from Phu Chi Fa's summit are spectacular, especially during sunrise when the early morning clouds envelop the land below in a colloquially described "sea of mist."
But don't confine your trip to hiking alone. There are some excellent biking trails that wind along this and surrounding peaks, taking riders through the scenic (and eponymous) forest park below. Most guided tours of the area also include a stop at the nearby Phu Sang hot spring and waterfall, which provides weary hikers with a refreshing and mineral-rich place to take a dip. Just remember to pack warm clothes (these mountains get chilly at night) and, above all else, get out early in order to see this gem of northern Thailand at its most magnificent.