K2 base camp trek, synonymous with Baltoro Glacier Trek and Baltoro Concordia Trek, is one of the world’s most famous mountain treks, located in Gilgit-Baltistan region of Pakistan. It is a challenging and demanding trek that involves trekking and hiking along Baltoro (5th longest glacier at 63km) and Godwin Austin. K2 Base Camp trek provides one of the most unique and the most spectacular views of the northern mountains.