Much of this run is quite visible from the road, so you can scout most of it as you drive upstream. Gradient is mostly quite consistent, though there appears to be a few areas in which some constriction of the streambed may cause increased concern. It may be possible to add to this run by proceeding upstream to the end of the paved road. The river here is rather narrower, and may be subject to additional concerns. This section has approximately 120 feet of drop in approximately one mile of length. Note: I have only 'car scouted' this run, at a time when it carried what would have been marginally boatable flow. Thus, all information here should be viewed accordingly. Anyone who has boated this stream or who otherwise has more familiarity with it is welcomed to provide more detail.
Other Information Sources: Angeles National Forest
Visual inspection. Should run during rainy season. There do not appear to be any flow gauges on this river upstream of the reservoirs. San Gabriel reservoir is owned and operated by the
USGS schematic of dams, diversions and gauges in Los Angeles Basin.pdf
Permits are not required for this reach.
We have no additional detail on this route.
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