Twin Sisters Falls is one of the recorded waterfalls on Deep Creek in Yakima County, Washington, in the Cascades region. It lies about 28.9 miles west of Tieton and roughly 41.7 miles west of Yakima as the crow flies.
No height measurement has been recorded for it yet.
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. Deep Creek carries 8 recorded waterfalls along its course.
There are 76 recorded waterfalls in Yakima County. Lower Twin Sisters Falls, is under a mile away. Waterfall 30.8 mi W of Tieton, is about 3.1 miles away. Penoyer Falls, is about 3.2 miles away.
Twin Sisters Falls is located at 46.7410° N, 121.3626° 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 creek name is confirmed against the federal Geographic Names Information System. 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.