Mainstream - Headwaters To Confluence With Cooper Canyon

River Runs Kayaking Whitewater

The Whitewater River, located in southern California, offers a popular whitewater rafting experience. The ideal streamflow range for the Mainstream - Headwaters to Confluence with Cooper Canyon segment is between 200 and 400 cubic feet per second (cfs), which typically occurs during the spring months.

The class rating for this segment is considered to be Class III, with some Class IV rapids. The segment mileage is approximately 8.5 miles, and the river features several notable rapids and obstacles, including "The Chute," "S-turn," and "Rock Garden."

It is important to note that the Whitewater River is located on public land managed by the Bureau of Land Management, and therefore visitors must follow regulations and obtain the necessary permits. Additionally, the river is subject to seasonal closures due to fire danger and other safety concerns.

Heat Advisory
Until 2024-06-23T20:00:00-07:00 National Weather Service
* WHAT...Temperatures up 90 to 100 expected. * WHERE...A large portion of Los Angeles, Ventura, Santa Barbara, and San Luis Obispo Counties away from the coast. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.

June 22, 2024







Last Updated 2024-06-20
River Levels 54 cfs (1.85 ft)
Percent of Normal 236%
Reporting Streamgauge BIG ROCK C NR VALYERMO CA
Elevation 4,069 ft.
Watershed Antelope-Fremont Valleys

Explore the Interactive Map

View recreational hotspots like fishing, camping, and parks, alongside climate-related data such as river levels, snowpack, and weather forecasts. Enjoy 3D mapping for an immersive experience, and switch to satellite view for a detailed look at your favorite spots. Simply click, explore, and discover nature like never before!

5-Day Weather Forecast

16-Day Weather Forecast

Nearby Streamgauges


Cubic Feet Per Second


Cubic Feet Per Second


Cubic Feet Per Second


Cubic Feet Per Second

Explore Nearby Places

Old Orchard Park

Old Orchard Park is a green oasis located in the city of Santa Clarita, California. It is a popular destination for both locals and tourists due to its beautiful surroundings and numerous recreational activities. The park features a playground, picnic area, walking trails, and a large grassy field perfect for sports and other outdoor activities. One of the main attractions of Old Orchard Park is its stunning views of the Santa Clarita Valley. Visitors can enjoy panoramic vistas of the surrounding mountains and hillsides while taking a stroll through the park's scenic trails. There are also several historical landmarks and ...