Three of the most popular high-altitude treks in Pakistan's Karakoram, among some of the world's highest mountains: Snow Lake and the Biafo and Hispar Glaciers; the K2 Base Camp Trek; and Gondogoro La via Concordia. Also includes two shorter treks in the shadow of Nanga Parbat: Fairy Meadows and Rakhiot Base Camp Trek; and a trek to Diamir Face.