Dawn Cascades is a 255-foot waterfall on North Fork Mountain Ash Creek in Teton County, Wyoming, in the Middle Rockies region. It lies about 30.1 miles east of Ashton and roughly 77.5 miles northeast of Idaho Falls as the crow flies.
At 255 feet it stands in the tallest quarter of Wyoming’s 230 waterfalls with a recorded height, ranking 28th; the typical Wyoming waterfall is about 60 feet. The tallest single drop is 80 feet. By form it is a tiered waterfall, falling in several distinct steps one after another. It falls in 4 drops.
The Middle Rockies are high, glaciated mountain ranges with alpine peaks, subalpine fir and spruce forest, lodgepole pine and grassy intermontane valleys. Snowmelt streams cascade down glacial valleys and canyon walls. North Fork Mountain Ash Creek carries 3 recorded waterfalls, and Dawn Cascades is the tallest of them.
Teton County holds 121 recorded waterfalls, and several are close by. Riverwalk Falls, a 40-foot tiered waterfall, is under a mile away. Morning Falls, a 60-foot block waterfall, is under a mile away. Early Morning Falls, a 15-foot plunge waterfall, is about 1.2 miles away.
Dawn Cascades is located at 44.2144° N, 110.8757° 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 position was verified on aerial imagery. Details on trails, parking and access have not been documented for this waterfall yet.