Luang Namtha, literally “Royal Sugar Palm” or “Royal Green River”, is located in the north of the country. The Mekong River constitutes the northwest border of the province. From 1966 to 1976 it formed, together with Bokeo, the province of Houakhong. The province borders Yunnan, China to the north, Oudomxay Province to the east and southeast, Bokeo Province to the southwest, and Shan State, Myanmar to the northwest.
Best known as a stopover point for trekking and Kayaking in the Nam Ha National Protected Area, This NPA consists mainly of evergreen forest and wildlife including wild cattle such as guar and banteng, Asian wild dogs, tigers, clouded leopards, bears, monkeys and gibbons and also muntjac, more information about Nam Ha www.namha-npa.org
The province is one of the main sugar cane and rubber-producing areas of Laos with numerous plantations.
There are some 20 temples in Muang Sing, including Wat Chiang Jai and Wat Namkeo Louang. The anthropological Luang Namtha Museum is located in Luang Namtha.
Archaeological evidence, including stone tools and cliff paintings, suggests that Luang Namtha Province was inhabited as early as 6,000 years ago.
Beginning in the first half of the 19th century, the area fell under Siamese domination and suffered from numerous conflicts. From the mid-16th until the early 19th century it came under the control of Burma. In the first half of the 19th century, it was under Siamese rule and was involved in many battles
In 1894, the French, British and Siamese colonists, decided that this province will be administered by the French. The border was also redrawn, with the Mekong River serving as the northern border between the French colony of Indochina and the British colony of Burma until France withdrew from Indochina in the late 1950s.
Link: https://www.tourismlaos.org/northern-provinces/luang-namtha-province/