The Truckee River's Royal Gorge Soda Springs to Tadpole Creek river run in California is a thrilling adventure for experienced paddlers. The river features Class III-IV rapids, including the notorious Toilet Bowl, which requires precise maneuvering skills. The best time to float this section is during the spring runoff season, from May to June, with recommended flows of 800-1,200 cfs. Other obstacles to watch out for include S-Bends and the infamous Jaws, a series of class IV-V drops that require expert kayaking skills. This river run is not recommended for beginners or inexperienced paddlers.