Green Rock | |
|---|---|
Neighborhood | |
  Green Rock Location of Green Rock within Illinois | |
| Coordinates: 41°28′23″N 90°21′27″W / 41.47306°N 90.35750°W | |
| Country | United States |
| State | Illinois |
| County | Henry |
| Time zone | UTC-6 (CST) |
| • Summer (DST) | UTC-5 (CDT) |
Green Rock is a neighborhood of the city of Colona in Henry County, Illinois, United States. Once a separate community, Green Rock was named so because it is the place where the Green River meets up with the Rock River.