Fly Fishing the Guadalupe River

The southernmost trout fishery in the United States, the Guadalupe's tailwater below Canyon Dam stays cold enough to hold stocked rainbows all winter, plus year-round trophy bass and stripers when the trout season ends.

6 shops nearby

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When to fish

November–April

Best months: November–April

Best
Off-peak

Midges: year-round, most reliable in winter. Caddis: spring and fall evenings.

Today's conditions

Where to fish

Along the Guadalupe River

Canyon Lake1 shopSattler2 shops

Wimberley1 shopSan Antonio1 shop

The tailwater section below Canyon Dam (Hwy 306) flows through Comal County toward New Braunfels; public fishing access exists at Canyon Tailrace Park (off FM 306) and at 4th Crossing and 3rd Crossing downstream; most anglers float the river as banks are largely private.

The water

Tailwater

Key hatches

Midge
Blue-Winged Olive
Caddisfly
Gray Drake
Light Cahill

Hatch calendar

Conditions

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6-day forecast

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Forecast from the National Weather Service ↗

Hatch calendar

Months each hatch is active on the Guadalupe River, with hook sizes and local timing notes.
Hatch · hook	J	F	M	A	M	J	J	A	S	O	N	D
Midge(midges)hook #18–24year-round, most reliable in winter	January	February	March	April	May	June	July	August	September	October	November	December
Blue-winged Olive(mayflies)hook #18–20				April	May	June	July	August	September	October
Caddisfly(caddis)hook #12–16spring and fall evenings				April	May	June	July	August	September	October
Gray Drake(mayflies)hook #10–12				April	May	June	July	August	September	October
Light Cahill(mayflies)hook #14–16				April	May	June	July	August	September	October
Trico(mayflies)hook #22–24				April	May	June	July	August	September	October
Hexagenia(mayflies)hook #4–8						June	July	August