Time:two days (1 hut approach, 1 climb and descent)
Difficulty:D (difficult), 1300m, snow and ice up to 70 degrees
People:one person with mountaineering experience
Starting point:  Grindelwald to Kleine Scheidegg (via train), Guggi hut, Mönch, Jungfraujoch down to Grindelwald (train)
Online:topo on camptocamp

The Nollen route at the Mönch is one of the most classic long ice and snow climbs of the Alps. And even better, the summit is at 4107m!
There is one very short section of steep terrain (70 deg) with the rest of the climbing being at moderate angles around 50 degrees. This is the perfect route if you are looking for a first long and demanding ice climb up an iconic mountain.
Normally, the route takes two days. On the first day, after taking the train to Kleine Scheidegg, a 2-3hrs hike bring you to the Guggi hut (2791m). The second day is used for the climb to the summit and descent to Jungfraujoch, where the train takes you back to Grindelwald.