American River, Middle Fork - Tunnel Run (Ralston Powerhouse to Greenwood)

Upper Ruck-A-Chucky (Chunder) Rapid

Rapid Details

Name Upper Ruck-A-Chucky (Chunder) Rapid
Class IV- to IV

A lot of class I and II water lead up to this point where things start to get interesting again.  This is a class IV ledge drop.  If you have a yardsale here you have a good chance of runny ruck-a-chucky below.  Be confident in running this and practice appropriate safety standards.


Scout and/or portage on river right.

Recommended Flows Minimum: 700.0
Maximum: 3000.0
Length Feet
Elevation 772.3 Feet
Coordinates Lat - 38.95398667
Long - -120.90459088

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