The East Branch Net River in Illinois is a popular whitewater river run for paddlers. The ideal streamflow range for this river is between 100-500 cubic feet per second (cfs), with the best paddling conditions occurring around 300 cfs. The Class rating for this river is Class II-III, with occasional Class IV rapids during high water periods. The segment mileage from the source in Sec 8, T47N, R32W to the confluence with the mainstem in Sec 24, T46N, R34W is approximately 10 miles.

One of the most notable rapids on this river is called "Net Falls," which is a steep, technical Class IV rapid that requires precise maneuvering. Other notable rapids include "Cedar Rapids" and "S-Turns." However, the river also has sections of calm water, making it suitable for paddlers of varying skill levels.

In terms of regulations, paddlers should be aware that the East Branch Net River runs through private land, and access may be limited. It is important to obtain permission from landowners before accessing the river. Additionally, paddlers should follow Leave No Trace principles and avoid littering or damaging the natural environment.

Overall, the East Branch Net River in Illinois offers a challenging and scenic whitewater experience for paddlers, with several notable rapids and an ideal streamflow range of 100-500 cfs. Paddlers should be aware of regulations and respect private landowners.