Lower Siouxon Falls is a waterfall on Siouxon Creek in Skamania County, Washington, in the Cascades region. It lies about 10.3 miles northeast of Yacolt and roughly 30 miles northeast of Vancouver 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. Siouxon Creek carries 5 recorded waterfalls along its course.
Skamania County holds 244 recorded waterfalls, and several are close by. Twin Bridges Falls, an 11-foot slide cascade waterfall, is about 2.3 miles away. Canyon Valley Falls 1, is about 2.5 miles away. Canyon Valley Falls 2, is about 3.3 miles away.
Lower Siouxon Falls is located at 45.9508° N, 122.2290° 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 position was verified on aerial imagery. Details on trails, parking and access have not been documented for this waterfall yet.