Its second largest city is Paro, and this country contains Gangkhar Puensum, which at 24,836 feet is the world's largest unclimbed mountain, although the slightly higher Kula Kangri is disputed with China.
The Chele La is this country's highest major mountain pass, and its small southern areas of deciduous lowland contain the Shiwalik Hills and its former capital, Punakha.  Its second largest city is Paro, and this country contains Gangkhar Puensum, which at 24,836 feet is the world's largest unclimbed mountain, although the slightly higher Kula Kangri is disputed with China. The states of Assam, Arunachal Pradesh, and Sikkim all border this country, and its rivers, which include the Drangme Chhu, lie in the Brahmaputra watershed. For 10 points, name this kingdom in the eastern Himalayas with capital at Thimphu.
The Chele La is this country's highest major mountain pass, and its small southern areas of deciduous lowland contain the Shiwalik Hills and its former capital, Punakha.  
Kingdom of Bhutan