Rock Riffle is a stretch of rapids in Greene County, Indiana, in the Interior River Valleys and Hills region. It lies about 2.9 miles south of Worthington and roughly 24.2 miles west of Bloomington 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 Greene County. Chase Ripple, is about 26.6 miles away.
Rock Riffle is located at 39.0848° N, 86.9650° 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.