.mw-parser-output .hidden-begin{box-sizing:border-box;width:100%;padding:5px;border:none;font-size:95%}.mw-parser-output .hidden-title{font-weight:bold;line-height:1.6;text-align:left}.mw-parser-output .hidden-content{text-align:left}@media all and (max-width:500px){.mw-parser-output .hidden-begin{width:auto!important;clear:none!important;float:none!important))You can help expand this article with text translated from the corresponding article in German. Click [show] for important translation instructions. View a machine-translated version of the German article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Große Nordwände der Alpen]]; see its history for attribution. You should also add the template ((Translated|de|Große Nordwände der Alpen)) to the talk page. For more guidance, see Wikipedia:Translation.

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Can someone update the article to explain the significance of *north* faces? It's probably obvious to mountaineers, but maybe not to others. 173.81.163.191 (talk) 05:27, 7 November 2010 (UTC)[reply]

I immediately wondered the same thing - is it a geology/geography, or weather type thing, or just a coincidence? --81.149.74.231 (talk) 10:12, 24 July 2012 (UTC)[reply]
I was about to ask the same question. Is it because you climb in shadows and it is colder? 128.141.24.184 (talk) 22:26, 15 August 2015 (UTC)[reply]
Yes, the north face in the northern hemisphere, is always the coldest face, the face that's less sunny, the face which the sun touches late in the morning and quits soon in the afternoon, the face where you can have snow sometimes even during summer while it is very hot and sunny everywhere else in the valley and on the other faces of the mountain. Because they are the coldest, the north faces are the most difficult to climb, bivouacking on a north face climb is really something extreme, another (also extreme) alternative is to be able to ice-climb so fast you don't have to spend a night on the face. The good thing is they are also the ones which offer more time without rockfalls, because there is more time during which ice keeps rocks from falling. Akseli9 (talk) 23:42, 15 August 2015 (UTC)[reply]
And I forgot the obvious: Because of these climatic phenomenons involving ice melting cycles etc and providing different long-term erosion of the mountain, the north faces are also the steepest (and in southern hemisphere it's the south faces that are the steepest). Akseli9 (talk) 18:54, 24 August 2015 (UTC)[reply]