Graybeard Peak is a mountain summit located in Skagit County, Washington. The mountain is part of the North Cascades Range. Graybeard Peak straddles the North Cascades National Park boundary line, and can be seen from the North Cascades Highway at the Easy Pass Trailhead. Graybeard Peak is situated on Ragged Ridge. Other peaks on Ragged Ridge include Mesahchie Peak, Kimtah Peak, and Katsuk Peak. The nearest higher peak is Fisher Peak, to the south. Precipitation runoff on the east side of the mountain drains into Ross Lake via Granite Creek, whereas the west side of the mountain drains into Diablo Lake via Fisher Creek.