The trail from Morteratsch to the Chamanna da Boval hut offers amazing views of the Morteratsch Glacier, the Pers Glacier and the surrounding mountains.
The trail from Diavolezza to Munt Pers is one of the most popular trails in St Moritz. It offers stunning views of Piz Palü, Piz Bernina and the Pers Glacier.
The hike to the Hörnli Hut is probably one the most popular trails in Zermatt and as a consequence it is quite crowded. But the views of the surrounding mountains are pretty awesome.