When was Tuolumne River South Fork last stocked?

The latest reported stocking was Aug 9 to 15, 2026, according to California agency reports.

How often is Tuolumne River South Fork stocked?

It was stocked 10 times in the last 12 months. Across all years on record, most stockings come in May to July.

How warm is the water near Tuolumne River South Fork?

The USGS gage read 65°F on Sep 25. Prime range for trout (about 50 to 65°F): fish are feeding actively.

Tuolumne River South Fork trout stocking

Tuolumne County, California · stream

Tuolumne River South Fork was last stocked 7 weeks ago (Aug 9 to 15, 2026). We have 10 stockings on record since Apr 19, 2026, 10 in the last 12 months. Most stockings come in May to July.

Last stocked

7 weeks ago

Aug 9 to 15, 2026

Next planned

Not announced

Last 12 months

10 stockings

Water temperature

65°F

Ideal for trout

River conditions

USGS gage: TUOLUMNE R AB EARLY INTAKE NR MATHER CA (8 km away).

Water temperature: 65°F
Flow: 64 cfs; lower than usual for the last six weeks
Gage height: 12.39 ft

Ideal for trout. Prime range for trout (about 50 to 65°F): fish are feeding actively.

Streamflow, last six weeks (cfs), daily. Latest: 63 cfs on Sep 23.

Latest reading Sep 25, 2026, 3:00 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Tuolumne River South Fork

Tonight
55°F
Haze
4% rain · wind 5 to 8 mph
Friday
82°F
Sunny
4% rain · wind 5 to 8 mph
Friday Night
51°F
Mostly Clear
wind 5 to 8 mph
Saturday
81°F
Sunny
wind 10 mph
Saturday Night
51°F
Partly Cloudy
wind 5 to 9 mph
Sunday
74°F
Mostly Sunny
wind 6 to 13 mph

Forecast from the National Weather Service for this location, refreshed hourly.

When is Tuolumne River South Fork stocked?

Most stockings come in May to July.

By month, all years

Stockings of Tuolumne River South Fork by month, all years on record. This month is shown in blue.

Stocking history

Date	Species	Hatchery
Aug 9 to 15, 2026	Trout
Jul 26, 2026 to Aug 1, 2026	Trout
Jul 12 to 18, 2026	Trout
Jul 5 to 11, 2026	Trout
Jun 28, 2026 to Jul 4, 2026	Trout
Jun 14 to 20, 2026	Trout
May 31, 2026 to Jun 6, 2026	Trout
May 17 to 23, 2026	Trout
May 3 to 9, 2026	Trout
Apr 19 to 25, 2026	Trout

From California fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go.

Where is Tuolumne River South Fork?

Tuolumne County, California. The marker is the agency's location for this water; streams are often stocked at several access points.

Directions Larger map

Stocked waters near Tuolumne River South Fork

Tuolumne River Middle Forkstream · 3 mistocked Aug 9, 2026
Merced River, Section llstream · 12 mistocked Jul 12, 2026
Cherry Valley Reservoirlake · 13 mistocked Jul 5, 2026
McClure Reservoirlake · 18 mistocked Oct 19, 2025
Lyons Reservoirlake · 23 mistocked Aug 16, 2026
Lyons Canal (Columbia Ditch)stream · 23 mistocked Sep 20, 2026
Don Pedro Reservoirlake · 24 mistocked Oct 26, 2025

All stocked waters in Tuolumne County Stocked this week in California

Questions about Tuolumne River South Fork

When was Tuolumne River South Fork last stocked?: The latest reported stocking was Aug 9 to 15, 2026, according to California agency reports.
How often is Tuolumne River South Fork stocked?: It was stocked 10 times in the last 12 months. Across all years on record, most stockings come in May to July.
How warm is the water near Tuolumne River South Fork?: The USGS gage read 65°F on Sep 25. Prime range for trout (about 50 to 65°F): fish are feeding actively.