The river that forms the border between Alabama and Georgia is the Chattahoochee River. It is important to note that as an AI, I don't have real-time access to current data, maps, or the ability to browse the internet. However, you can easily find this information by referring to a map of the United States or by using online map services such as Google Maps, Bing Maps, or any trusted map resource. These websites or applications will help you identify the precise location and boundaries of the Chattahoochee River, which serves as the border between Alabama and Georgia.
