The Whitewater River Run in Illinois is a Class I-II river that stretches for 7.7 miles from Forest Road 2156 to the Eastern Forest Boundary. The ideal streamflow range for this segment is between 150-500 cfs. This segment is known for its peaceful and scenic surroundings, making it a popular destination for kayaking, canoeing, and tubing.

There are several specific rapids and obstacles along this segment of the river, including the "Limestone Rapids" and the "Rock Garden." These class II rapids provide a fun challenge for experienced paddlers. However, beginners should be cautious and stay away from any rapids that exceed their skill level.

It is important to note that visitors should follow specific regulations when visiting this area. For example, visitors are required to have a permit to camp overnight in the Shawnee National Forest, and fires are only permitted in designated areas. Additionally, visitors should be aware of potential hazards such as fallen trees and rocks in the river.

Overall, the Whitewater River Run provides a fun and challenging experience for paddlers of all skill levels. However, visitors should be aware of specific regulations and potential hazards before venturing out on the river.