The Whitewater River Run in Michigan is a popular destination for paddlers and anglers alike. The Mainstem, Easternforest Boundary in Sec 1, T44N, R35W to the City of Crystal Falls is a 13.2-mile, class II-III river run. The ideal streamflow range for this segment is between 500-1000 cfs.

The segment begins with class I-II rapids and gradually increases in difficulty, with class III rapids towards the end. The most notable rapids on this segment are "Double Drop" and "S-Turn." These rapids offer a thrilling experience for intermediate to advanced paddlers.

One of the most notable obstacles on this segment is a dam near the end of the run. It is important to take caution as the approach to the dam can be dangerous. All paddlers are required to portage around the dam as it poses a significant risk.

The Whitewater River Run is regulated by the Michigan Department of Natural Resources. All paddlers are required to have a valid state park permit to access the river. Additionally, all paddlers must wear a personal flotation device (PFD) and carry a whistle. It is also recommended to have a throw bag and a first aid kit.

Overall, the Whitewater River Run Mainstem, Easternforest Boundary in Sec 1, T44N, R35W to City of Crystal Falls is a challenging and exciting river run. Paddlers can enjoy the scenic views and the adrenaline rush of the rapids. It is essential to follow all regulations and take the necessary precautions to ensure a safe and enjoyable experience.