The Patoka River is a 167-mile-long (269 km)[1] tributary of the Wabash River in southwestern Indiana in the United States. It drains a largely rural area of forested bottomland and agricultural lands among the hills north of Evansville.
- ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map Archived 2012-03-29 at the Wayback Machine, accessed May 19, 2011