Eldest Stepsister Cascade is a 500-foot waterfall in Wyoming County, New York, in the Northern Allegheny Plateau region. It lies about 4.8 miles west of Nunda and roughly 42.1 miles southeast of Cheektowaga as the crow flies.
At 500 feet it is among the ten tallest of the 184 New York waterfalls with a recorded height, ranking 1st. The tallest single drop is 50 feet. By form it is an ephemeral waterfall that flows only after rain or snowmelt, combined with a horsetail character.
The Northern Allegheny Plateau is a dissected upland of rolling hills and deep valleys in New York and Pennsylvania, with northern hardwood forest and dairy farms. Creeks cut through layered shale and sandstone in gorges lined with waterfalls, as in the Finger Lakes glens.
Wyoming County holds 23 recorded waterfalls, and several are close by. Stepmother Cascade, a 470-foot ephemeral waterfall, is under a mile away. Denton Brook Cascade, 500 feet high, is under a mile away. Inspriration Falls, a 350-foot plunge waterfall, is about 1.1 miles away.
Eldest Stepsister Cascade is located at 42.6040° N, 78.0313° 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 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.