K2 Concordia Trek The K2 Concordia Trek offers a mesmerizing journey to the base of the world’s second-highest mountain, with breathtaking vistas and the thrill of being surrounded by towering peaks in the Karakoram Range. 0 out of 5 (0 Reviews) Trek 12 20 Day(s) 20 Night(s) From $2,150.00 Explore