The Guadalupe River below Canyon Lake is the southernmost trout fishery in the United States. Canyon Lake Dam was completed in 1964. Cold water released from the dam keeps the river cold enough to hold trout (they generally need water below 69 degrees) for about 8-10 miles. Since the 1970s the Guadalupe River Trout Unlmited (GRTU) chapter has stocked and focused on expanding the fishery. Each year the Texas Parks and Wildlife Department and GRTU stock thousands of rainbow trout. Some survive the Texas summer heat and warming water, but most do not. The trout fishing season goes from about November-March, which is quite different from other parts of the country.
Continue readingReport: Going Out With a Bang, Fly Fishing on the Guadalupe River, March 16-18, 2026, Paul R.





