Chongtar (Chongtar Kangri, Chongtar Peak) Standing at 7,315 meters (23,999 feet), Chongtar Kangri represents one of the most significant yet underappreciated achievements in high-altitude mountaineering. This towering sentinel in China’s Xinjiang region, positioned just 10 kilometers northwest of K2, held the distinction of being the world’s highest unclimbed peak until Australian mountaineer Greg Mortimer shattered …