High Quality Content by WIKIPEDIA articles! Bonanza Peak is a tall peak in the North Cascades in the U.S. state of Washington and within the Glacier Peak Wilderness of the Wenatchee National Forest. At 9,511 feet (2,899 m) in elevation, it is the highest point in Chelan County, the fifth highest peak in Washington, and the highest non-volcanic peak in Washington and the Cascade Range as a whole. Bonanza Peaks prominence is 3,711 ft (1,131 m), making it the 26th most prominent peak in Washington. The nearest higher peak is Glacier Peak, 14.4 mi (23.2 km) to the southwest.