Kalanka

Kalanka rises beside Changabang in the Garhwal Himalaya, a 6,931-metre summit sharing the same remote massif above the Nanda Devi sanctuary. Less famous than its shining neighbour, it offers serious alpinists a formidable north face and long ridgelines of granite, snow and ice.

This is committing high-altitude alpinism, with routes on the peak's steep north wall and connecting ridges combining technical rock, hard ice and sustained mixed climbing. Ascents fall in the demanding expedition alpine range and see few repeats; the mountain's altitude, cold and isolation raise the stakes well beyond the pure technical difficulty. It is a peak for experienced expedition climbers comfortable with self-reliance.

The workable windows are pre- and post-monsoon, roughly May to June and September to October, when settled spells firm the snow and ice and reduce storm risk.

The approach threads the Rishi gorge toward the inner sanctuary, a difficult and tightly regulated route requiring special permits and thorough logistics. Kalanka is usually attempted in conjunction with an understanding of the whole Changabang massif, one of the most striking and hard-won corners of the Indian Himalaya.

Its huge north face has drawn cutting-edge alpine-style ascents, including award-winning routes that pushed the standards of lightweight climbing at altitude. For climbers seeking a genuine expedition objective away from crowded classics, Kalanka's long mixed lines and wild setting offer a proving ground that rewards patience, skill and a high tolerance for uncertainty, deep within a sanctuary that remains one of the range's most protected sanctuaries.