The Big Green River is a popular whitewater river run that spans across several states, from its headwaters in the Appalachian Mountains of North Carolina to its mouth at the Mississippi River in Louisiana. The ideal streamflow range for this river run is between 800 and 5,000 cubic feet per second (cfs), which provides the perfect balance of excitement and safety for intermediate to advanced rafters.

The class rating for this river ranges from Class III to IV, depending on the segment. The total distance of the river run is approximately 359 miles, with various segments offering unique challenges and obstacles. For instance, the segment between Saluda and Lake Greenwood is known for its technical rapids and narrow channels, while the segment between Lake Greenwood and Lake Thurmond features longer, more continuous rapids.

Some of the most notable rapids on the Big Green River include the Narrows, the Tumblebug, and the Shoals. These rapids feature steep drops, challenging waves, and tight turns, making them a thrilling experience for seasoned rafters.

As for regulations, the Big Green River is subject to state and local laws regarding watercraft and safety. For instance, all rafters must wear personal flotation devices (PFDs) at all times, and alcohol consumption is prohibited while on the river. Additionally, certain segments of the river may be closed during times of high water or other hazardous conditions.

Overall, the Big Green River is a challenging and exciting whitewater river run that offers something for everyone, from beginners to experienced rafters. However, it is important to follow all regulations and safety guidelines to ensure a safe and enjoyable experience.