Alpine climate
After Mount Iwaki, the Hakkōda Mountains contain the second highest peak in Aomori Prefecture, Mount Ōdake with an elevation of . Mount Ōdake can be climbed from Sukayu Onsen in about four hours. Heavy snowfall makes the Hakkōda Mountains a prime destination for backcountry and mountain skiers, and there are two mountain huts for overnight trips. The lower slopes of the mountains are forested interspersed with moorland. Above , the Alpine climate zone starts.