Flood Watch
2025-12-26T16:00:00-08:00

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of central California, including the following areas, Mariposa-Madera Lower Sierra, San Joaquin River Canyon, Upper San Joaquin River, Yosemite NP outside of the valley and Yosemite Valley. * WHEN...Through Friday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Low-water crossings may be flooded. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible. Area creeks and streams are running high and could flood with more heavy rain. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood


Headwaters Near The Tuolumne And Mariposa County Lines To Western Boundary Of Yosemite National Park Paddle Report

Last Updated: 2025-12-24

The Whitewater River Run is a popular rafting and kayaking destination located in California.


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Summary

The ideal streamflow range for this river is typically between 1000 and 5000 cfs, with higher flows possible during the spring snowmelt. The river is rated as a class III-IV, meaning that it is suitable for experienced boaters with strong technical skills.

The segment of the river that runs from the headwaters near the Tuolumne and Mariposa County lines to the western boundary of Yosemite National Park covers a distance of approximately 20 miles. Along this stretch of river, boaters will encounter a number of challenging rapids and obstacles, including tight chutes, steep drops, and powerful waves.

In order to maintain the safety and environmental integrity of the area, there are specific regulations in place for boaters using the Whitewater River Run. Permits are required for all commercial rafting trips, and private boaters must also obtain a permit before launching. Additionally, all boaters must adhere to strict Leave No Trace principles in order to minimize their impact on the surrounding ecosystem.

Overall, the Whitewater River Run is an exciting and challenging destination for experienced boaters looking for a thrilling adventure in the great outdoors. However, it is important to approach this area with caution and respect in order to ensure that it remains accessible and enjoyable for future generations.

River Run Details

Last Updated 2025-12-24
River Levels 5130 cfs (17.31 ft)
Percent of Normal 185%
Status
Class Level iii-iv
Elevation ft
Run Length 18.0 Mi
Streamflow Discharge cfs
Gauge Height ft
Reporting Streamgage USGS 11274790
       

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