Original sentence: The Wenatchee Mountains are a range of mountains in central Washington State, United States of America, that is a spur of the Cascade Range.The range forms part of the boundary between Chelan, Kittitas, and King Counties
Edited sentence: A major subrange of the Cascade Range, extending east {{[convert|50|mi|km}} from the Cascade crest, the Wenatchee Mountains separate the drainage basins of the Yakima River from the Wenatchee River.The Wenatchee Mountains are a range of mountains in central Washington State, United States of America.The crest of the range forms part of the boundary between Chelan, Kittitas, and King Counties