The Sandy River in Oregon is a popular whitewater river run for kayakers and rafters. The ideal streamflow range for this river is between 800 and 2,500 cubic feet per second (cfs). The class rating of the river ranges from II to IV, with some sections reaching class V during high water. The total segment mileage for the Sandy River is approximately 56 miles, with the whitewater section being around 12 miles long.

The river includes several notable rapids and obstacles, including the Four Foot Falls, Carnage Rapid, and the Narrows. The Four Foot Falls is a class IV rapid that features a steep drop and requires precise navigation. Carnage Rapid is another class IV rapid that is known for its large waves and powerful hydraulics. The Narrows is a narrow section of the river that requires tight maneuvering due to the numerous boulders and rocks.

There are specific regulations for the Sandy River area, including the requirement for a permit to launch a watercraft at the Sandy River Delta Park. Additionally, there are specific rules for camping in the area, including the prohibition of fires and camping within 200 feet of the river. It is important to note that the Sandy River can be dangerous during high water and extreme caution should be exercised.