A classic in Europe and probably the most skied glacier tour in Zermatt.
Myself breaking trail in a very deep day.
Snow conditions can get pretty epic on this area.
Its northern exposure keeps the snow dry and light for long periods after a snowfall. Like on every glacier things can change quite dramatically from season to season and sometimes you even noticed differences in ice formations from week to week.
Even if this tour is very trafficked stopping at wrong spots could definitely send you deeper than you wish into the glacier.
As you make your way down there are plenty of good photo opportunities.