The Whitewater River run from Morrell Falls in Montana has an ideal streamflow range of 100-500 cfs. The class rating for this segment is Class II-III, with a total segment mileage of approximately 5.5 miles. This route has several specific river rapids and obstacles, including the "Toilet Bowl" and "Boulder Garden." While there are no specific regulations for this area, it is advised to check with the local authorities for any seasonal restrictions or closures.

According to American Whitewater, the Morrell Falls run is a popular destination for intermediate paddlers looking for a scenic and challenging run. The "Toilet Bowl" rapid is a notable feature on this route, requiring precise boat control and maneuvering skills. The "Boulder Garden" section also poses a challenge, with large boulders creating technical rapids and hydraulics.

The ideal streamflow range for this run is based on the average water levels during the summer months. As with any whitewater run, water levels can fluctuate due to weather conditions and other factors, so it is important to monitor current water levels before embarking on this run.

Overall, the Whitewater River run from Morrell Falls offers a challenging and scenic adventure for intermediate paddlers. It is advised to check with local authorities for any specific regulations or seasonal closures before planning a trip to this area.