The Whitewater river run Nickel Creek in Idaho offers exciting rapids and challenging obstacles for intermediate and advanced kayakers. The ideal streamflow range for Nickel Creek is between 700-2500 cfs, which provides the best water level for kayaking. The segment mileage of the run is approximately 7 miles, with Class III and IV rapids.

The specific river rapids and obstacles on this run include the Nickel Creek Falls, a 12-foot waterfall that requires a clean line to avoid injury, as well as several Class III and IV rapids such as the "Corner Pocket" and "Logjam." The rapids vary in difficulty depending on the flow level, and kayakers should always scout the rapids before running them.

There are specific regulations for Nickel Creek, including obtaining a permit from the Boise National Forest to access the area. Additionally, there are restrictions on group size and camping along the river.

Overall, Nickel Creek is a challenging and exhilarating river run for experienced kayakers, offering beautiful scenery and thrilling rapids. It is important to always practice safe kayaking techniques and follow regulations to protect the natural environment.