The Corn Creek to Vinegar Creek/Carey Creek on the Main Salmon River in Idaho is a popular run for experienced river guides. This section of water offers exciting rapids and challenges, including the notorious Elk Horn Rapid, and is considered a Class III-IV run. The best time to float this section is during the summer months when water levels are high, typically between 4,000-15,000 cfs. River guides must navigate around obstacles such as large rocks and boulders, steep drops, and strong currents. Overall, this is a thrilling and scenic river run for those seeking a challenging adventure.