When was Diamond Lake last stocked?

The latest reported stocking was Jul 28, 2023 (cutthroat trout, 300 fish), according to Washington agency reports.

How often is Diamond Lake stocked?

Across all years on record, most stockings come in July to September.

Is Diamond Lake stocked often?

Number 27 of 58 stocked waters in Kittitas County by stocking days. Stocked about as often as a typical Washington water on our record. We count each day the agency reported stocking it.

What kind of trout are stocked in Diamond Lake?

Cutthroat trout (3 stockings, 900 fish).

Diamond Lake trout stocking

Kittitas County, Washington · lake · about 4,950 ft elevation

Diamond Lake was last stocked 39 months ago (Jul 28, 2023). We have 3 stockings on record since Aug 5, 2017. Most stockings come in July to September. Species stocked: cutthroat trout.

Last stocked

39 months ago

Jul 28, 2023

Next planned

Not announced

Last 12 months

0 stockings

On record

3 stockings

since Aug 5, 2017

Number 27 of 58 stocked waters in Kittitas County by stocking days.
Stocked about as often as a typical Washington water on our record.

Weather at Diamond Lake

Tonight
35°F
Cloudy
12% rain · wind 5 to 8 mph
Tuesday
43°F
Partly Sunny
8% rain · wind 1 to 5 mph
Tuesday Night
32°F
Mostly Clear
wind 3 mph
Wednesday
45°F
Sunny then Chance Rain Showers
25% rain · wind 2 mph
Wednesday Night
33°F
Rain And Snow Showers
87% rain · wind 5 mph
Thursday
37°F
Chance Snow Showers then Mostly Cloudy
49% rain · wind 1 to 5 mph

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

When is Diamond Lake stocked?

Most stockings come in July to September.

By month, all years

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

Year by year

	Jul	Aug	Sep
2023	1
2020			1
2017		1

What is stocked

Species	Stockings	Fish	Fish per stocking
Cutthroat trout	3	900	300

Stocking history

20231 stocking · 300 fish

Date	Species	Fish	Since previous	Hatchery
Jul 28Latest Friday	Cutthroat trout	300	1041 days	Tokul Cr Hatchery

20201 stocking · 300 fish

Date	Species	Fish	Since previous	Hatchery
Sep 20 Sunday	Cutthroat trout	300	1142 days	Tokul Cr Hatchery

20171 stocking · 300 fish

Date	Species	Fish	Since previous	Hatchery
Aug 5 Saturday	Cutthroat trout	300		Tokul Cr Hatchery

From Washington 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. Seasons and limits: Washington fishing regulations.

Where is Diamond Lake?

Kittitas County, Washington. Approximate: the marker is the USGS place-name point for this water, not an agency location.

Directions Larger map Washington fishing regulations

Stocked waters near Diamond Lake

Cooper Lakelake · 1 mistocked May 26, 2026
Little Joe Lakelake · 4 mistocked Aug 28, 2021
Opal Lakelake · 4 mistocked Aug 3, 2025
Thorp Lakelake · 6 mistocked Aug 3, 2026
Deer Lakes (1)lake · 6 mistocked Jul 7, 2026
Glacier Lakelake · 7 mistocked Oct 7, 2024
Summit Chief Lakelake · 7 mistocked Jul 18, 2026
Lila Lakelake · 8 mistocked Jul 6, 2023

All stocked waters in Kittitas County Stocked this week in Washington

Questions about Diamond Lake

When was Diamond Lake last stocked?: The latest reported stocking was Jul 28, 2023 (cutthroat trout, 300 fish), according to Washington agency reports.
How often is Diamond Lake stocked?: Across all years on record, most stockings come in July to September.
Is Diamond Lake stocked often?: Number 27 of 58 stocked waters in Kittitas County by stocking days. Stocked about as often as a typical Washington water on our record. We count each day the agency reported stocking it.
What kind of trout are stocked in Diamond Lake?: Cutthroat trout (3 stockings, 900 fish).