Image Source: Nepal Travel Guide
Sankhuwasabha District is one of 14 districts of Province No. 1 of eastern Nepal. It is one of Nepal's 75 districts, located in the Koshi Zone with its headquarters in Khandbari. It covers 3,480 square kilometers and is home to the indigenous ethnic groups of Rai, Yakkha, Limbu, Newar, Gurung, Magar, Sunuwar, Rajbansi, Maithili, Tamang, Sherpa, and the caste groups Brahmin and Chhetri. Arun Valley, the world's deepest valley, is located in the district. It has a total forest area of 190,052 hectares.