On traveling to Tak Province, expect to discover a place with long history, where natural wonders are magnificently enhanced by ethnic diversity. Mostly forested and mountainous, Tak is a northern province peacefully situated on the Maenam Ping basin. The province covers an area of 16,406 square kilometers and is 426 kilometers north of Bangkok. As Tak shares natural border with Myanmar, it is highly regarded as a western gateway to Myanmar, and a northern doorway to Thailand's major cities such as Lampang and Chiang Mai. Apart from Tak's military and economic importance the province is also an environmental and cultural center with magnificent forests, spectacular waterfalls and caves and fascinating hill tribes such as Karen, Lisu, Musoe (Lahu), Akha, Yao and Hmong. Tak has the biggest and the most beautiful waterfall in Thailand, Namtok Thi Lo Su is also considered the sixth biggest waterfall in the world. Namtok Thi Lo Su is located in the Umphang Wildlife Sanctuary, a UNESCO World Heritage site, which links with the Thung Yai Naresuan and Huay Kha Kaeng Reserves, as well as Khlong Lan and Mae Wong National Parks. Together, they form Thailand's largest wildlife haven and Southeast Asia's top virgin forest.