The Norgaygang gewog is immediately to the south of the Zompelri ridge and Mount Gipmochi, which have been subject to the India-China-Bhutan border dispute. The Dichu (Jaldhaka) river flows through the gewog along with its numerous tributaries. The largest of the tributaries is Asam Khola rising below the Mount Gipmochi.
The Norgaygang Gewog occupies an area of 187.51 square kilometres (72.40 sq mi). It has 19 villages in 6 Chiwogs. In 2012, it had a population of 3,381.[1] The Gewog comprises part of Tashicholing Dungkhag (sub-district), together with Tendu, Pemaling, Namgaychhoeling, and Tashicholing Gewogs.