Tuolumne River Fishing Guides
A managed Central Valley tailwater below La Grange Dam that carries both a resident rainbow fishery and the southernmost significant fall Chinook run in California.
Guides on the Tuolumne River
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About the Tuolumne River
The lower Tuolumne is a tailwater in the strict sense. Every drop that passes the gauge below La Grange Dam has already been through the storage and release system upstream, and the river a guide fishes is the river the water managers built that week. That makes it a very different proposition from the granite whitewater canyon of the same name higher in the Sierra. Down here the Tuolumne is a broad, gravel-bedded valley river running between cottonwood and willow through the almond and walnut country west of La Grange, and its character is set almost entirely by release schedule rather than by rainfall.
Two fisheries share the water. Resident rainbows hold in the cool, oxygenated riffles in the first several miles below the dam, where releases keep summer temperatures survivable when the valley air is over a hundred degrees. Below that, as the river warms downstream toward Waterford and Modesto, smallmouth and largemouth take over the structure and striped bass push up out of the San Joaquin on the spring high water. Overlaid on both is the run that gives the river its reputation: fall Chinook returning in October and November, the southernmost meaningful run of king salmon anywhere on the Pacific coast, and the reason the gravel restoration projects between La Grange and Waterford exist at all.
Guides work this water by drift boat and by jet sled depending on flow, and the flow is worth checking before every trip rather than trusting a seasonal average. A pulse flow released for salmon can double the river overnight; an irrigation drawdown can strand a launch that floated fine a week earlier. The gauge here reports both discharge and water temperature, which on a tailwater matters more than on a freestone river, because temperature is the number that tells you whether the trout reach is fishing or simply surviving.
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Access
La Grange Bridge on Highway 132 - the uppermost practical launch and the closest access to the cold-water trout reach.
Basso Bridge below La Grange - popular put-in for the upper drift and the first good gravel spawning water.
Turlock Lake State Recreation Area - developed park access with a ramp on the middle river.
Waterford river access at the Highway 132 crossing - the standard mid-river take-out and a common half-day pull.
Legion Park in Modesto - lower-river access below the Dry Creek confluence, warmwater and striper oriented.
Shiloh Road boat ramp near Grayson - the lowest ramp before the San Joaquin, used for jet sled trips.
Fox Grove Fishing Access near Hughson - county park with parking, a ramp and bank fishing on the lower river.
Seasons
Spring: irrigation releases climb, striped bass move up from the San Joaquin, and the trout reach fishes well on nymphs before the water warms.
Summer: high, cold releases keep the upper miles fishable while the lower river turns to a bass and catfish game in serious valley heat.
Fall: the season the river is known for, with Chinook entering from October and holding on the restored gravel through November.
Winter: low, clear and cold, the quietest months for pressure and the best sight-fishing to resident rainbows in the top few miles.
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Questions
What is the current flow on the Tuolumne River?
As of Sep 8, 2:00 am, the USGS gauge TUOLUMNE R BL LAGRANGE DAM NR LAGRANGE CA reads 179 cfs, with water temperature 54.1 F. Conditions update every 15 minutes.
What species can you catch on the Tuolumne River?
Anglers target Channel Catfish, Chinook Salmon, Largemouth Bass, Rainbow Trout, Smallmouth Bass, Steelhead, Striped Bass on the Tuolumne River in California.
Where can you access the Tuolumne River?
La Grange Bridge on Highway 132 - the uppermost practical launch and the closest access to the cold-water trout reach. Basso Bridge below La Grange - popular put-in for the upper drift and the first good gravel spawning water. Turlock Lake State Recreation Area - developed park access with a ramp on the middle river. Waterford river access at the Highway 132 crossing - the standard mid-river take-out and a common half-day pull. Legion Park in Modesto - lower-river access below the Dry Creek confluence, warmwater and striper oriented. Shiloh Road boat ramp near Grayson - the lowest ramp before...
When is the best time to fish the Tuolumne River?
Spring: irrigation releases climb, striped bass move up from the San Joaquin, and the trout reach fishes well on nymphs before the water warms. Summer: high, cold releases keep the upper miles fishable while the lower river turns to a bass and catfish game in serious valley heat. Fall: the season the river is known for, with Chinook entering from October and holding on the restored gravel through November. Winter: low, clear and cold, the quietest months for pressure and the best sight-fishing to resident rainbows in the top few miles.
Where are the fishing regulations for the Tuolumne River?
Regulations change by season and section. Read the current rules on the California agency site: https://wildlife.ca.gov/Fishing/Inland/Regulations