According to Peakbagger.com the Wenatchee Mountains are defined as bounded by U.S. Route 2 from Stevens Pass to Wenatchee on the Columbia River, then down the Columbia River to Interstate 90, then west along the highway to the vicinity of Cle Elum and Roslyn, then north along Cle Elum Lake and the Cle Elum River and north to Stevens Pass. Subranges of the Wenatchee Mountains and their highest peaks as defined by Peakbagger.com are the Chiwaukum Mountains (Big Chiwaukum Mountain, ), North Wenatchee Mountains (Cashmere Mountain, ), Stuart Range (Mount Stuart, ), the Teanaway Area (Ingalls Peak, ), and the Mission-Naneum Ridges (Mission Peak, ). Peakbagger.com also defines and names the mountain regions bordering the Wenatchee Mountains. These are the Alpine Lakes Area to the west, South Cascade Crest to the south, Glacier Peak-North Stevens Pass area to the northwest, and the Entiat Mountains to the northeast.