The region refers to the far remote and the least explored areas near the eastern border of Nepal. It occupies about 15% of the total land area of Nepal. Trekking to this region offers wild natural splendor, spectacular, views of mountains and cultural richness. This region includes Kanchanjunga, Arun Valley and Makalu trek. The lowland portion of this region is culturally intriguing. This region is home to the Limbus who are thought to have ruled the Kathmandu valley from the 7th century BC until around 300 AD. They then moved into the steep hill country of eastern Nepal where they inhabit today. They are easily distinguishable by their Mongolian features.  Trekkers are welcomed to their home offering the drink called tongba in a wooden pot. This local drink is fermented seeds of millet mixed with boiling water.