Quad Falls is a waterfall on Duncan Creek in Skamania County, Washington, in the Cascades region, with a total height of about 50 feet. It lies about 9.9 miles west of Cascade Locks and roughly 19.2 miles northeast of Gresham as the crow flies.
At 50 feet it is on the modest side for Washington, where the typical waterfall with a recorded height stands around 82 feet; it ranks 619th of 941.
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. Duncan Creek carries 6 recorded waterfalls, and Quad Falls is the tallest of them.
There are 244 recorded waterfalls in Skamania County. Lower Quad Falls, is under a mile away. Nellie Corser Cascades, is under a mile away. Apron Falls, a 50-foot veiling horsetail waterfall, is under a mile away.
Quad Falls is located at 45.6428° N, 122.0924° 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.