Sankhuwasabha District (सङ्खुवासभा जिल्ला) is one of 14 districts of Koshi Province of eastern Nepal. The district's area is 3,480 km2 with a population of 159,203 in 2001 and 158,742 in 2011. The administrative center is Khandbari.

Mount Makalu( 8,481 m ), fifth highest mountain of the world relative to 457 meters Arun Valley, one of the world's deepest valleys formed by the Arun River entering from Tibet at an elevation of about 3,500 meters (11,500 feet) and flows south across the district.

Barun river, Pathibhara, Makalu Base Camp, Honggong, Kimathanka, Sabhapokhari, Matsyapokhari, TMZ, Tinjure, Milke, Jaljale, Tumlingtar, Rhododendron, Lophophorus, Spiny Babbler, Black Cardamom, Swertia Chirayito are the iconic words of Sankhuwasabha.