FISHING REPORT
Updated 9/10/26

Scroll down to links for information about Lodging,​Maps and up to the minute Stream Flows.​​

CLICK HERE FOR UP TO DATE OVERALL ROAD AND
WATER CONDITIONS IN THE MAMMOTH AREA
COURTESY OF THE "TROUTFITTER"

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​​​Conditions: 60 CFS (for up to the minute flow reports click on link at bottom of page)

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FOR SPECIAL REGS. ON CALIFORNIA WATERS CLICK HERE

Fishing Reports-Fair:

The flows have dropped, the weeds are growing and the water is getting warm..and the Interpretive Site has been a zoo.

Most of the guides have been staying away because of the warm water, thick weeds and heavy fishing pressure. Now that the crowds have thinned and the water is cooling off I’ll see if I can get some newer reports.

 7-10:30 is sporadic midge with the Tricos and caddis becoming dominant, Caddis are mainly migrating and the female Tricos start hatching around 7 and the spinner fall starting around 9 but the fishing starts slowing down between 10 and 11. With the temperatures cooling down the afternoons come back into play with Caddis and male Trico hatches starting around 4. !0:30-4 is pretty quiet, good time for Scuds and streamers.  Another good lesson here, if you see splashy rises it’s probably Caddis and the sippy rises are Tricos. This is because the caddis emerge much faster than mayflies. If you’re not seeing hatches try some terrestrials (hoppers, ants and beetles) don’t forget the scuds or throw some streamer patterns.

Whether you like it or not, an addendum to the guide tips. By this time of the year the fish are getting REALLY QUICK at eating and spitting so you might want to shorten that 4 second rule.

Two guide tips: 1) When casting, if you’re looking at the weed beds, you will hit them, so look at the clear lanes. 2) Your drifts should average 4 seconds or less followed by a smooth but aggressive backcast around your downstream shoulder - You will be amazed by the number of hookups you didn’t even know were there.

Flies

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General all around fly recomendations:

• Dries: Upright Organza Trico #18-22 | Spider Variant PMD #16-18 | Mimic May PMD #16 | Brooks Hot Creek Caddis #18-22 | Baby Boy Hopper #14-16 | Spent Wing Caddis #16-20 |

• Nymphs: Tung Stud Black #18-20 | Split Case PMD #14-18 | HDA Fav #14-16 | Expecting Scud #16-18 | Drowned Trico Spinner #20-22 | Nori Caddis Olive or Brown #14-22 |

• Streamers: Soccer Mom Ginger

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For detailed regulations click here: https://www.wildlife.ca.gov/Regulations

San Joaquin: CLOSED
The Troutfitter Fly Shop https://thetroutfitter.com reports 

Click here for more info about Reds Meadow Reconstruction Project

Fish aren't too picky

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See Hatch Chart at Bottom of Page