Kellys Ripple is a stretch of rapids in Knox County, Indiana, in the Interior River Valleys and Hills region. It lies about 4.6 miles east of Mount Carmel and roughly 32.3 miles north of Evansville as the crow flies.
The Interior River Valleys and Hills are rolling terrain of farmland, oak-hickory forest and broad river bottoms along the Ohio and lower Wabash, with a few small waterfalls on sandstone ledges.
It is the only recorded rapid in Knox County. Grand Rapids, is about 3.3 miles away across the state line in Illinois.
Kellys Ripple is located at 38.4320° N, 87.6806° 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.