From Mae Sai to Chiang Khong, if there is time to pass or to visit the golden triangle Chiang Saen may abstain from Mae FAH Luang garden. In order to allow time to come watch the opium Museum at Chiang Saen (free of charge)
Chiang Khong to leave If you have time to visit the Golden Triangle, Chiang Saen. Or may abstain from Mae Fah Luang Garden. Allow plenty of time to visit the Opium Museum, Chiang Saen (proofed).
From Chiang Khong Sai go If you have time to visit through the county triangle, or may be off the garden department To allow time to watch the Opium museum that Chiang Saen (fee to visit).