冰原島峰(英語:Nunatak)是指在環繞的冰川中突出而且沒被陸冰覆蓋的山頂。冰原島峰的野生動物或會被冰川阻隔,就像海洋中的島嶼。冰原島峰一般為帶菱角和鋸齒狀的,是凍融侵蝕所造成,而下方受冰川侵蝕的土地輪廓比較柔和。冰川退縮時,冰原島峰和下方的土地形成強烈對比。
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