Cardinal Peak is the highest peak of the Chelan Mountains, a subrange of the Cascade Range in the U.S. state of Washington. It is located in Wenatchee National Forest at the head of the Entiat River drainage basin, in Chelan County. To the west and north, streams flow into Lake Chelan. Cardinal Peak is less than from the lake and rises above the lakeshore. At high, it is the 49th highest peak in Washington. Its prominence ranks 132nd in the state.