In winter, Bergschrunds are often filled by snow from avalanches from the mountain flank above it, but in later summer due to ablation it lies open and can present a very difficult obstacle to alpinists.
Bergschrunds are often filled by snow from avalanches from the mountain flank above it. This was in winter. Summer due to ablation it lies open. This is in later. Summer due to ablation it can present a very difficult obstacle to alpinists. This is in later.