Alaska Mountain is a mountain summit located in the Cascade Range, in Kittitas County of Washington state. It is situated within the Alpine Lakes Wilderness on land managed by Wenatchee National Forest. Alaska Mountain is set between Alaska Lake and Joe Lake, northeast of Snoqualmie Pass, and southeast of Mount Thomson, which is also its nearest higher peak. The Pacific Crest Trail traverses around the south, east and north slopes of Alaska Mountain, and an off-trail hike leads to the summit. Precipitation runoff on the east side of the mountain drains into tributaries of the Yakima River, whereas the west side of the peak drains into tributaries of the Snoqualmie River.