This is a list of the extreme points of Bhutan. Country extreme points Latitude and longitude North: disputed: Gasa District-China border. undisputed: Gasa District-China border, near Jigme Dorji National Park. South: Sarpang District-Assam border. West: Samtse District-Sikkim border, near Neora Valley National Park in India. East: Trashigang District-Arunachal Pradesh border, near Sakteng Wildlife Sanctuary. Altitude The highest point measured from sea level is the summit of Gangkhar Puensum at . Gangkhar Puensum is located in northwestern Bhutan along the borders of Gasa District, Wangdue Phodrang District, and China. The lowest point is located in the Drangme Chhu, a river system in central and eastern Bhutan, at above sea level. The lowest point is located in eastern Sarpang District where the Mangde Chhu river crosses into India (Assam) near the Indian town of Manas. Highest attainable by transportation Road (mountain pass): The Lateral Road, the main east–west highway, traverses Trumshing La in central Bhutan at an altitude of over . Airport: Yongphulla Airport, a domestic airfield under renovation, near the town of Trashigang in Trashigang District, at . Highest geographical features Lake: River: See also Extreme points of Earth Extreme points of Afro-Eurasia Extreme points of Eurasia Extreme points of Asia Geography of Bhutan Geography of Bhutan Bhutan