Twin Falls is a 66-foot waterfall on Big Tree Creek in Clark County, Washington, in the Cascades region. It lies about 2.9 miles east of Yacolt and roughly 22.5 miles northeast of Vancouver as the crow flies.
At 66 feet it is on the modest side for Washington, where the typical waterfall with a recorded height stands around 82 feet; it ranks 536th of 941. By form it is a plunge, where the water drops vertically and loses contact with the rock face.
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. Big Tree Creek carries 2 recorded waterfalls, and Twin Falls is the tallest of them.
Clark County holds 21 recorded waterfalls, and several are close by. Cedar Creek Falls, is about 1.6 miles away. Big Tree Creek Falls, a 58-foot horsetail waterfall, is about 2 miles away. Upper Fly Creek Falls, is about 2.6 miles away.
Twin Falls is located at 45.8807° N, 122.3493° 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.