Peterson Falls is a waterfall on Montreal River in Iron County, Wisconsin, in the Northern Lakes and Forests region, with a total height of about 15 feet. It lies about 1.9 miles north of Hurley and roughly 92.9 miles east of Duluth as the crow flies.
At 15 feet it is among the ten tallest of the 5 Wisconsin waterfalls with a recorded height, ranking 4th. The water comes down as a block waterfall, wider than it is tall, spilling over a broad ledge.
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. Montreal River carries 4 recorded waterfalls; the biggest of them reaches 90 feet.
There are 10 recorded waterfalls in Iron County. Montreal Falls, a 25-foot fan waterfall, is under a mile away. Interstate Falls (Montreal Falls), a 25-foot fan waterfall, is under a mile away. Peterson Falls, a 15-foot block waterfall, is under a mile away across the state line in Michigan.
Peterson Falls is located at 46.4756° N, 90.2007° 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 position was verified on aerial imagery. Details on trails, parking and access have not been documented for this waterfall yet.