Mosaic Falls is a 35-foot waterfall on South Fork Whychus Creek in Deschutes County, Oregon, in the Eastern Cascades Slopes and Foothills region. It lies about 11.8 miles southwest of Sisters and roughly 19.5 miles west of Bend as the crow flies.
At 35 feet it is on the modest side for Oregon, where the typical waterfall with a recorded height stands around 54 feet; it ranks 282nd of 425. The tallest single drop is 20 feet. By form it is a tiered waterfall, falling in several distinct steps one after another, combined with a cascade character. 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. South Fork Whychus Creek carries 5 recorded waterfalls; the biggest of them reaches 125 feet.
Deschutes County holds 62 recorded waterfalls, and several are close by. Shelter Falls, a 40-foot veiling plunge waterfall, is under a mile away. Chush Falls, a 67-foot veiling plunge waterfall, is under a mile away. Columnar Canyon Falls, a 125-foot tiered plunge waterfall, is under a mile away.
Mosaic Falls is located at 44.1513° N, 121.6864° 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.