The Tahoe City to River Ranch river run on the Truckee River in California has some challenging obstacles such as Class III rapids, low bridges, and fallen trees. The river run difficulty is moderate to difficult and is best for experienced rafters. The best time of year to float this section of water is during the spring and early summer when the water flow is between 500-1,000 cfs. It is important to note that the river flow can change quickly due to dam releases, so be sure to check the flow before heading out. Overall, this is an exciting and scenic river run that requires proper preparation and experienced rafters.