Liskamm Oriental, Mountain summit in Valais, Switzerland

Liskamm Oriental is a peak in the Pennine Alps located in the Valais region, rising to approximately 4,527 meters above sea level. The mountain features a long ridge formation with dramatic steep faces on its north side that are covered in permanent ice.

The first ascent was made on 19 August 1861 via the south-east ridge by a party including J.F. Hardy, A.C. Ramsay, F. Sibson, T. Rennison, J.A. Hudson, William Edward Hall, C.H. Pilkington and R.M. Stephenson, with guides Jean-Pierre Cachat, Franz Josef Lochmatter, Karl Herr, Stefan Zumtaugwald and Peter and Josef-Marie Perren. On 16 August 1864 Leslie Stephen and Edward N. Buxton, with Jakob Anderegg and Franz Biner, completed the first traverse of the Lyskamm from the Felikjoch to the Lysjoch, crossing from the western to the eastern summit.

The mountain earned the name 'Man-eater' following numerous accidents caused by collapsing snow cornices along its extended ridge during early climbing attempts.

Climbing this summit requires advanced mountaineering training and is typically approached via routes from either Gnifetti Hut or Monte Rosa Hut. Weather conditions and snow stability must be carefully monitored throughout the ascent for safe passage.

The 4,417-metre saddle between the two Lyskamm summits is crossed by a thin crest that links the Eastern and Western peaks. The Eastern summit's south-east ridge, first climbed in 1861, reaches gradients of up to 45 degrees. The Naso del Lyskamm, a distinctive snow nose, rises on the Italian side.