Portal Cascade is a waterfall on McClure Creek in Schuyler County, New York, in the Northern Allegheny Plateau region, with a total height of about 12 feet. It lies about 1.2 miles southeast of Montour Falls and roughly 60.2 miles southwest of Syracuse as the crow flies.
At 12 feet it is on the modest side for New York, where the typical waterfall with a recorded height stands around 50.5 feet; it ranks 170th of 184.
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. McClure Creek carries 3 recorded waterfalls; the biggest of them reaches 41 feet.
There are 30 recorded waterfalls in Schuyler County. Eagle Cliff Falls, 41 feet high, is under a mile away. Bridal Veil Falls, is under a mile away. Deckertown Falls, is under a mile away.
Portal Cascade is located at 42.3351° N, 76.8283° 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.