PRAGUE: Czech Mountaineering Federation head, Zdenek Hruby, has died while climbing Gasherbrum I, an 8,068-metre (26,469-foot) peak in the northern Pakistani Karakoram range, the federation said on its website on Saturday.
No further details were given as to the cause of death.
Hruby, 57, and his long-time climbing partner Marek Holecek, 38, were attempting the first ascent of the south-west face of the mountain.
Gasherbrum I, also known as Hidden Peak, is the world's eleventh highest peak.
Recently, three Iranian climbers died while descending from the Karakoram Range.
Five of the highest peaks in the world, including the second-highest mountain K2, are in Pakistan and at least 13 climbers have been killed in the current season.