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

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northern California, including the following areas, the Sacramento Valley, northern San Joaquin Valley, Delta region, Sierra Nevada and adjacent foothills, and Coastal Range. * WHEN...Through Friday afternoon. * IMPACTS...Excessive runoff will result in rises along area rivers, creeks, streams. Small streams and creeks may rise out of their banks. Flooding may occur in low-lying, poor drainage, and urban areas. Mudslides and rockslides may occur in mountain and foothill areas. * ADDITIONAL DETAILS... - Periods of moderate to heavy rain are forecast the week of Christmas. Debris flows are not expected over recent burn scars in northern California, but do anticipate enhanced runoff in/below scars. - http://www.weather.gov/safety/flood


Greenwood To Mammoth Bar Paddle Report

Last Updated: 2023-06-13

The Greenwood to Mammoth Bar river run in California is a Class II-III run that spans approximately 9 miles.


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Summary

The river features several obstacles including a few Class III rapids, small drops, and rocky sections. The best time of year to float this section of water is from April to June when the water flow ranges from 800-1200 cfs. This section is not recommended for beginners and requires intermediate to advanced paddling skills.

River Run Details

Last Updated 2023-06-13
River Levels 1390 cfs (1.86 ft)
Percent of Normal 200%
Optimal Range 750-3000 cfs
Status Too High
Class Level II to II+
Elevation 717 ft
Run Length 7.0 Mi
Gradient 12 FPM
Streamflow Discharge 10700 cfs
Gauge Height 5.1 ft
Reporting Streamgage USGS 11427000
       

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