Mount Margaret is a 5,850-ft (1,780 m) mountain summit located in the Wenatchee National Forest, in the Alpine Lakes Wilderness, in Kittitas County of Washington state.

Along with neighboring peaks and lakes, Mount Margaret given its name by Albert Hale Sylvester, a topographer for the United States Geological Survey working throughout the North Cascades National Park Complex in the 1900s.

[8] Geological events including tectonic reorganization and extense magmatism created the features of Mount Margaret and its surroundings with craggy peaks and ridges, deep glacial valleys, and granite walls.

During the Pleistocene period dating back over two million years ago, glaciation advancing and retreating repeatedly scoured and shaped the landscape.

Uplift and faulting in combination with glaciation has been the dominant processes that have created the tall peaks and deep valleys of the Alpine Lakes Wilderness area.