 It was established in 1984 under the Wilderness Act of 1964.The Sky Lakes Wilderness straddles southern Oregon's Cascade Range from Crater Lake National Park southward to Oregon Route 140.It is approximately wide and long, with elevations ranging from in the canyon of the Middle Fork of the Rogue River to at the top of Mount McLoughlin, the highest peak in southern Oregon and the highest point in the Cascade Range between the Three Sisters and Mount Shasta.