Shumar Gewog is located in the Northern part of the Dzongkhag with total area of approximately 92.16 Sq Km sharing borders with Nanong, Chongshing, Khar, Yurung and Zobel gewogs. It consist of 5 chiwogs namely Dagor, Goenpoong-Shali, Nangkor, Bartseri and Khothakgpa-Yalang with 14 villages. It has a population of about 5890 consisting of 690 households. The gewog center is connected by 10 km of road from Dzongkhag Administration. Most of the villages are connected by farm roads. Shumar Gewog enjoys moderate climatic conditions in general with the exception of the low altitude areas which experience extreme hot summers. Tseri and dry land cultivation is prevalent with maize grown as the main cereal crop. The Orange and Potatoes are grown as the main cash crops. Vegetables are grown for self consumption apart from few growing for minimal commercial purpose. The gewog also produces livestock product like cheese, butter, milk and poultry products. Gypsum mining and gypsum power factory are located at Khothakpa which provide employment for unskilled laborers during off season and contributes to the Socio-economic development of the Dzongkhag. The Dzongkhag headquarter, Dzongkhag Hospital and regional offices are located under Shumar gewog. The Gewog Administration has 10 staff which includes a Gup, Mangmi, Geydrung, GAO, caretaker and 5 Tshogpas along with 3 RNR extension officials. The Gewog has one RNR center, one Higher secondary school, one middle secondary school, one lower secondary school, two primary schools, one community information center, and one sub post. There are 19 community and private Lhakhangs with 191 chortens.