This long and narrow lake is at the head of the Yakima River three to four miles east of the crest of the Cascades in northwest Kittitas County. It was a natural lake, but in 1914 the U.S. Bureau of Reclamation raised its level with a dam. The level of the water fluctuates with the seasons. Pyramidal peaks, bristling with greenish-black forest and flecked with snow, are mirrored in the lake. Skeleton trees, part of the forest inundated by the construction of the dam, stand in the shallower shore waters.