Lincoln Peak is a tall peak subsidiary to Mount Baker in the Cascade Range in the U.S. state of Washington. It lies within the Mount Baker Wilderness and Mount Baker-Snoqualmie National Forest. At over in elevation it is the 16th-highest peak in Washington and 31st-highest in the Cascades, however Lincoln Peak's prominence is only . The nearest higher peak is Colfax Peak, to the east-northeast. Lincoln, Colfax, and Seward Peaks are erosional remnants from a much older eruptive episode, with more recent volcanic activity resulting in the nearby cone of the Mount Baker volcano.