The Rainbow Gardens River Run in Utah is a Class II-III section of the Logan River that offers a thrilling ride with stunning views of the surrounding mountains. This 7-mile stretch is best floated in the late spring and early summer when water levels are high, with a recommended flow of 200-400 cfs. The river features several obstacles such as boulder gardens, rapids, and drops, making it a fun and challenging run for intermediate paddlers. Caution should be exercised while navigating the tight turns and rocky sections of the river. Overall, this river run provides a beautiful and exciting experience for those seeking a bit of adventure.