Upper Penn Falls is a waterfall on East Branch Firesteel River in Ontonagon County, Michigan, in the Northern Lakes and Forests region. It lies about 17.1 miles east of Ontonagon and roughly 148.9 miles east of Duluth as the crow flies.
Its height has not been recorded in the source data. By form it is a slide, where the water glides down a smooth, inclined rock surface.
The Northern Lakes and Forests are a glaciated landscape of pine, spruce, aspen and northern hardwoods dotted with thousands of lakes and wetlands. Rivers step down over ancient bedrock ledges, with dark, tannin-stained water pouring over rock. East Branch Firesteel River carries 2 recorded waterfalls along its course.
Ontonagon County holds 31 recorded waterfalls, and several are close by. Lower Penn Falls, a block waterfall, is under a mile away. Wyandote Falls, a 20-foot tiered waterfall, is about 5.8 miles away. Otter Falls, a tiered waterfall, is about 9.7 miles away.
Upper Penn Falls is located at 46.8271° N, 88.9586° 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.