The arboretum is located at an altitude of approximately 1,400 meters above sea level.
It is home to one of the largest collections of temperate rhododendrons in Thailand.
The garden was established as part of the late Princess Mother's initiative to rehabilitate the local ecosystem and replace opium poppy cultivation.
The site sits directly on the border ridge between Thailand and Myanmar.
Much of the site features limestone rock formations that have been integrated into the landscaping design.
The arboretum functions as a botanical research site for highland plant species.
Mae Fah Luang Arboretum is a high-altitude botanical garden situated on the Doi Chang Mub ridge in the Daen Lao mountain range. The garden specializes in temperate-climate plants and rare Rhododendrons that thrive in the cool, elevated environment. It forms part of the Doi Tung Development Project, an initiative focused on reforestation and community agricultural reform. The site features a series of terraced hillside paths showcasing ornamental flower displays and indigenous hill tribe flora. Stone pathways wind through the garden, connecting various micro-climates designed to sustain non-tropical species. The location marks one of the highest points in Chiang Rai province, offering clear sightlines into neighboring Myanmar.
The stone-walled viewing platform overlooking the mountain ridgeline and the border valley.
Bring a light jacket as temperatures are significantly cooler than in the Chiang Rai city center.
Wear sturdy walking shoes with good grip to navigate the steep, occasionally uneven hillside stone stairs.
Visit the hilltop viewpoint early to capture views before afternoon mountain mists roll in.
Attempting to visit during the height of the rainy season when paths can become slick and visibility is poor.
Maintain silence to respect the garden's conservation status; do not pick flowers or stray from marked paths.
