Mosier Falls is an 80-foot waterfall on Mosier Creek in Wasco County, Oregon, in the Eastern Cascades Slopes and Foothills region. It lies about 5.6 miles southeast of White Salmon and roughly 51.9 miles east of Gresham as the crow flies.
At 80 feet it is taller than the typical Oregon waterfall of about 54 feet, ranking 140th of 425 with a recorded height. The tallest single drop is 70 feet. By form it is a horsetail, where the water keeps some contact with the bedrock as it falls. It falls in 2 drops.
The Eastern Cascades Slopes and Foothills lie in the rain shadow of the Cascade crest, with open ponderosa pine forest, lodgepole pine and dry meadows on volcanic terrain. Spring-fed rivers on the porous lava ground stay remarkably steady through the year.
Wasco County holds 14 recorded waterfalls, and several are close by. Lelliot Falls, is about 1 miles away. Rowland Lake Falls, a horsetail waterfall, is about 1.5 miles away across the state line in Washington. Rowena Dell Falls, is about 3.8 miles away.
Mosier Falls is located at 45.6825° N, 121.3903° 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.