Hazard Warning: Hazard information may be user-submitted and unverified. Conditions change frequently. Always scout rapids and obstacles yourself.
Hazard CA Class V

Sieve Rapid

San Joaquin - 1. Mammoth Pool Dam to Mammoth Pool Powerhouse · CA

American Whitewater 37.2820, -119.3316

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Gauge Conditions
SAN JOAQUIN River Above SHAKEFLAT Creek Near BIG CREEK CA Upstream Primary
Runnable: ? – ? CFS

Approximate - nearest available gauge. Use as general reference only.

Data from American Whitewater & USGS
CDEC Flow Data California
SAN JOAQUIN RIVER NFW Primary
Elevation: 5,200 ft
Data from California Data Exchange Center (CDEC)
Description

This dangerous rapid has a sieve on the right.  Much of the flow pushes into the sieve, so it is a good rapid to portage.  

Location
Type
Hazard
Difficulty
Class V
Mile Marker
3.3 mi
Directions
Navigate
View Full Run
1. Mammoth Pool Dam to Mammoth Pool Powerhouse
San Joaquin
IV-V 9.0 mi
Hazard — Exercise extreme caution. Portage recommended — scout before running.
Current Conditions
5-Day Forecast
Whitewater data from
American Whitewater