The approach begins at Cebollapampa in the upper Llanganuco valley, where the road switchbacks toward the Portachuelo pass. A steady trail climbs to the Refugio Perú and the adjacent base camp at about 4,650 m, then a rougher path crosses a chaotic moraine to the moraine camp at roughly 4,900 m, the usual launch point for the summit.
Summit day follows the southwest ridge: a glacier of moderate angle broken by crevasses, a longer slope of 30 to 45 degrees and, in most seasons, a short ice wall of a few metres just below the top. Fixed with a rope and a few pieces of protection, it is well within reach of fit beginners who have acclimatised properly, yet the altitude and the length of the day make it a genuine challenge.
From the summit the giants of the range crowd the horizon on every side, which is why Pisco is often called the best viewpoint in the Cordillera Blanca. Many climbers precede it with a hike to Laguna 69 from the same base.
