Long Riffles is a stretch of rapids in Douglas County, Wisconsin, in the Northern Lakes and Forests region. It lies about 15.2 miles north of Lake Nebagamon and roughly 24.4 miles east of Duluth as the crow flies.
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.
There are 17 recorded rapids in Douglas County. Weir Riffles, is under a mile away. Highway Thirteen Rapids, is about 3.5 miles away. May Ledges, is about 6 miles away.
Long Riffles is located at 46.7238° N, 91.5991° W. The listing is based on the USGS Geographic Names Information System, 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 rapid yet.