The highest peak in the state is Kangto, at . Nyegi Kangsang, the main Gorichen peak, and the Eastern Gorichen peak are other tall Himalaya peaks. The state's mountain ranges, in the extreme East of India, are described as the place where the sun rises in historical Indian texts and named the Aruna Mountains, which inspired the name of the state. The villages of Dong (more accessible by car, and with a lookout favoured by tourists) and Vijaynagar (on the edge of Myanmar) receive the first sunlight in all of India.