Dark Canyon, located in the state of Utah, is a spectacular 7-mile run on the Whitewater River. The ideal streamflow range for this stretch of water is between 100 and 500 cfs. The class rating is a solid Class III, with several rapids and obstacles that require technical maneuvering. The segment mileage is seven miles long, and the run offers incredible views of the canyon walls.

The most notable rapids on the Dark Canyon run include the "Room of Doom," a technical section that requires precise boat control, and "The Teacups," a series of rapids that funnel water through narrow channels. Several other rapids, including "Little Niagara" and "The Squeeze," add to the excitement of the run.

There are specific regulations that apply to the Dark Canyon area. Permits are required for overnight camping, and visitors must pack out all trash and waste. Additionally, visitors must follow Leave No Trace principles and avoid damaging the natural environment.

Overall, Dark Canyon is an exciting and challenging run that offers incredible views and technical rapids. It's important to be prepared and follow all regulations to ensure a safe and enjoyable experience.