Dewey Lake Falls is a waterfall in Yakima County, Washington, in the Cascades region. It lies about 33.5 miles southeast of Crocker and roughly 42.4 miles southeast of South Hill as the crow flies.
Its height has not been recorded in the source data.
The Cascades are a high volcanic range of snow-capped peaks, deep glacial valleys and dense conifer forest of Douglas fir, western hemlock and true firs, with abundant rain and snow on the western slopes. Basalt cliffs and lava flows give the region one of the highest concentrations of waterfalls in the country.
Yakima County holds 76 recorded waterfalls, and several are close by. Waterfall 34 mi SE of Crocker, is about 1 mile away. Dewey Creek Falls, a 320-foot tiered cascade waterfall, is about 1.5 miles away. Lower Dewey Creek Falls, a 42-foot plunge waterfall, is about 2 miles away.
Dewey Lake Falls is located at 46.8541° N, 121.4756° W. The listing is based on the World Waterfall Database, one of the sources compiled by the U.S. Geological Survey in its inventory of waterfalls and rapids of the conterminous United States. The exact position has not yet been verified on aerial imagery, so treat the map pin as approximate. Details on trails, parking and access have not been documented for this waterfall yet.