The Black Canyon section of the Bear River in Idaho offers a thrilling river run experience for advanced paddlers. The river is characterized by steep drops, tight chutes, and technical rapids that require expert maneuvering skills. The best time to float this section is between May and June, with a recommended flow of 800-1500 cfs. The route begins at Highway 34 and ends at Grace Powerhouse, covering a distance of approximately 12 miles. Paddlers should be prepared for obstacles such as strainers, sweepers, and undercut rocks, and should exercise caution when approaching blind corners and drops. Overall, this stretch of the Bear River is a challenging and exciting adventure for experienced river runners.