Biafo Hispar Trek is one of demanding trek among all treks within Pakistan. The name of this trek is actually the combination of two last villages of both valleys Shigar & Nagar.
In the Shigar valley, you lead up to Askole which is last inhabitant settlement and Hispar is last inhabitant village of Nagar Valley. Although this trek is an open zone, it is extremely strenuous, involving long stretches of glacier walking along this 115kms ice corridor. This trek is recommended fully guided along essential trekking tools, likely ropes, and crampons. As it takes you far from the permanent settlement and is rich in wildlife, including Himalayan Brown Bears. Starting at Askole, the route follows the K2 treks for a short way before branching up the Biafo Glacier.