Streamflows

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Trace a river or stream upstream to its source or downstream to its mouth.

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A lot of information in one place.

Statewide Riverflow Information

California statewide water flows page from the CA Dept. of Water Resources

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California statewide water flows page from the U.S. Geological Survey

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Oregon statewide water flows page from U.S. Geological Survey

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Montana statewide water flows page from U.S. Geological Survey

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Wyoming statewide water flows page from U.S. Geological Survey

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Idaho statewide water flows page from U.S. Geological Survey

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Colorado statewide water flows page from U.S. Geological Survey

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Quick links to area river flows

Please note:

A Steelhead Report Card is required on valley rivers below the last dam.

Consult the CA Dept. of Fish and Game regulations

Mokelumne River:

Inflow to Pardee 

Outflow below Comanche Opens January 1

Calaveras River:

Outflow below New Hogan

Stanislaus River:

Outflow below Donnells

Outflow below Beardsley

Inflow to Melones

Outflow below Goodwin Dam Opens January 1

Tuolumne River:

Outflow from Hetch Hetchy

Inflow to Don Pedro

Outflow below La Grange Dam Opens January 1

Merced River:

Pohono Bridge ( Yosemite )

Inflow to McClure

Outflow below Crocker-Huffman Opens January 1

Quick links to popular California

fly fishing rivers' flows

Northern California:

Lower Sacramento River

Trinity River at Lewiston

Klamath River at Orleans

Upper Sacramento River

McCloud River

Pit River

Eastern Sierra Nevada: