Sankhuwasabha is located in Khoshi Zone of the eastern Development Region of Nepal. It borders with Taplejung and Terahthum district in the east, Solukhumbu and Bhojpur districts in the west, Dhankuta district in the south and Tibet the autonomous region of China in the north. The district has 1 municipality, 33 VDCs, 11 Ilakas and 2 constituency areas. The total area of the district is 3,468.38 km2. The district extends within latitude of 27º 06’ to 27º 55’ latitudes and longitude of 87º 57’ to 87º 40’ E. The lowest elevation point is 250 meter and the highest elevation point is 8463 meter from mean sea level.Subsistence agriculture farming, mainly small scale livestock is the main source of occupation and livelihood of the majority of the population, with 77.62% of the population active in this sector. Due to low level of agricultural production, the majority of the households face acute food shortages for a large part of the year. Total population of the district is 179,068 of which female is 90,502 (50.54%) and male is 88,566 (49.46%) residing in 36,883 households. Population density of the district is 52 persons/ km2. Average household size 4.33 person and life expectancy is 64years. Literacy rate of the district is 54.17%. Koshi highway (Basantapur-chainpur-tumlingtar-Khandbari-Num is the main access road of the district and leguwa-Tumling road is also another important access of the district.
The district inventory identified just over 526.64 km of roads, including 144km of strategic road network; 349.2 km of district road core network (DRCN) was identified in coordination with the DTICC and DDC, where 22 rural roads were included. Out of which 242.2 km road need to conservation and improvement and 107km of road required new construction and 105 km of village road network. The existing DRCN roads link up 33 VDC headquarters with district headquarter. All of the DRCN roads are earthen fair-weather roads.