The Salmon to North Fork River Run in Idaho on the Salmon River is a moderate to difficult river run with several challenging obstacles such as the famous Elkhorn Rapid, which requires precise navigation. The best time to float this section is during the summer months when the water levels are high, typically around 2,000-4,000 cfs. At lower water levels, the river can be rocky and shallow, making it more challenging to navigate. Overall, this run is recommended for experienced paddlers looking for a thrilling adventure on the river.