When was Gregory Lake last stocked?

The latest reported stocking was Jun 28, 2026 to Jul 4, 2026, according to California agency reports.

How often is Gregory Lake stocked?

It was stocked 9 times in the last 12 months. Across all years on record, most stockings come in April to June and October.

Gregory Lake trout stocking

San Bernardino County, California · lake

Gregory Lake was last stocked 3 months ago (Jun 28, 2026 to Jul 4, 2026). We have 9 stockings on record since Oct 5, 2025, 9 in the last 12 months. Most stockings come in April to June and October.

Last stocked

3 months ago

Jun 28, 2026 to Jul 4, 2026

Next planned

Not announced

Last 12 months

9 stockings

On record

9 stockings

since Oct 5, 2025

River conditions

Nearest USGS gage: GRASS VALLEY LK TUNNEL OUTLET A LAKE ARROWHEAD CA (6 km away, on a different stream or lake).

Flow: 0 cfs
Gage height: 0.85 ft

Streamflow, last six weeks (cfs), daily. Latest: 0 cfs on Sep 23.

Latest reading Sep 25, 2026, 3:15 AM UTC. USGS data are provisional. Gage page at USGS.

Weather at Gregory Lake

Tonight
65°F
Clear
2% rain · wind 0 to 5 mph
Friday
77°F
Sunny
1% rain · wind 0 to 10 mph
Friday Night
64°F
Partly Cloudy
wind 5 mph
Saturday
77°F
Mostly Sunny
wind 5 to 10 mph
Saturday Night
62°F
Mostly Cloudy
1% rain · wind 5 to 10 mph
Sunday
69°F
Mostly Sunny
5% rain · wind 5 to 10 mph

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

When is Gregory Lake stocked?

Most stockings come in April to June and October.

By month, all years

Stockings of Gregory Lake by month, all years on record. This month is shown in blue.

Year by year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2026				2	2	2
2025										2	1

Stocking history

Date	Species	Hatchery
Jun 28, 2026 to Jul 4, 2026	Trout
Jun 7 to 13, 2026	Trout
May 24 to 30, 2026	Trout
May 10 to 16, 2026	Trout
Apr 19 to 25, 2026	Trout
Apr 5 to 11, 2026	Trout
Nov 2 to 8, 2025	Trout
Oct 19 to 25, 2025	Trout
Oct 5 to 11, 2025	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 Gregory Lake?

San Bernardino 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 Gregory Lake

Glen Helen Park Lakelake · 8 mistocked Mar 1, 2026
Green Valley Lakelake · 11 mistocked Sep 20, 2026
Ford Park Pondspond · 15 mistocked Jan 18, 2026
Yucaipa Lakelake · 18 mistocked Mar 1, 2026
Mojave Narrows Regional Park Lakelake · 19 mistocked Mar 1, 2026
Santa Ana Riverstream · 19 mistocked Sep 20, 2026
Big Bear Lakelake · 19 mistocked Sep 20, 2026
Rancho Jurupa Park Pondpond · 20 mistocked Mar 1, 2026

All stocked waters in San Bernardino County Stocked this week in California

Questions about Gregory Lake

When was Gregory Lake last stocked?: The latest reported stocking was Jun 28, 2026 to Jul 4, 2026, according to California agency reports.
How often is Gregory Lake stocked?: It was stocked 9 times in the last 12 months. Across all years on record, most stockings come in April to June and October.