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

Diversion Dams

Cosumnes - Highway 49 to Highway 16 · CA

American Whitewater 38.4971, -121.0652

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Gauge Conditions

Cosumnes River a Michigan Bar CA Downstream Primary
Runnable: 400.0 – 2,500.0 CFS
Data from American Whitewater & USGS

Description

A large island divides the river.  Both sides are blocked by dams. The dams create the usual death trap recirculations. Portage across the island down the middle for the easiest walking and access. The flat water from the dams extends upstream about one mile. 

Rancho Murieta Community Services district has large pumps and inlets on the north side of the river here.  The district diverts water from the Cosumnes River between November and May of each year to Calero, Chesbro and Clementia Reservoirs. All of the District's drinking water is treated before it is supplied to the customer.

Between the diversion dam and Hwy 16 are three or four small but interesting rapids.

Location

Interactive river map Loads as you approach this section.
Type
Hazard
Difficulty
Class N/A
Mile Marker
18.2 mi
Directions
Navigate
View Full Run
Highway 49 to Highway 16
Cosumnes
II-IV(V) 20.0 mi
Hazard — Exercise extreme caution. Portage recommended — scout before running.

Current Conditions

5-Day Forecast

Whitewater data from
American Whitewater