Diamond Lake trout stocking
Carbon County, Wyoming · lake
Diamond Lake was last stocked 6 months ago (Apr 1 to 30, 2026). We have 26 stockings on record since Sep 1, 2016, 4 in the last 12 months (51,313 fish). Most stockings come in April to May. Species stocked: Snake River cutthroat trout, rainbow trout, Bear River cutthroat trout, brook trout, Yellowstone cutthroat trout, brown trout, tiger trout.
Last stocked
6 months ago
Apr 1 to 30, 2026
Next planned
Not announced
Last 12 months
4 stockings
51,313 fish
On record
26 stockings
since Sep 1, 2016
- The second most stocked of 51 waters in Carbon County.
- Stocked more often than 93% of Wyoming waters on our record.
When is Diamond Lake stocked?
Most stockings come in April to May.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | ||||||||||
| 2025 | 1 | 1 | 1 | 1 | 1 | |||||||
| 2024 | 1 | 1 | ||||||||||
| 2023 | 1 | 1 | ||||||||||
| 2022 | 1 | 1 | ||||||||||
| 2021 | 1 | 1 | ||||||||||
| 2020 | 1 | 1 | ||||||||||
| 2019 | 1 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Snake River cutthroat trout | 11 | 138,512 | 12,592 | 4.9 in |
| Rainbow trout | 8 | 35,009 | 4,376 | 6.5 in |
| Bear River cutthroat trout | 8 | 154,455 | 19,307 | 4.4 in |
| Brook trout | 8 | 96,979 | 12,122 | 2.8 in |
| Yellowstone cutthroat trout | 3 | 22,934 | 7,645 | 6.1 in |
| Brown trout | 1 | 950 | 950 | 8.8 in |
| Tiger trout | 1 | 903 | 903 | 4.2 in |
Stocking history
20262 stockings · 45,362 fish
| Date | Species | Fish | Size |
|---|---|---|---|
AprilLatest sometime this month | Rainbow troutSnake River cutthroat trout | 27,063 | 4.3 in |
March sometime this month | Bear River cutthroat trout | 18,299 | 4.6 in |
20255 stockings · 66,023 fish
| Date | Species | Fish | Size |
|---|---|---|---|
November sometime this month | Rainbow trout | 5,001 | 4.0 in |
October sometime this month | Brown trout | 950 | 8.8 in |
September sometime this month | Tiger trout | 903 | 4.2 in |
May sometime this month | Brook trout | 15,220 | 4.1 in |
April sometime this month | Bear River cutthroat troutSnake River cutthroat trout | 43,949 | 4.8 in |
20242 stockings · 48,309 fish
| Date | Species | Fish | Size |
|---|---|---|---|
May sometime this month | Rainbow trout | 4,894 | 3.9 in |
April sometime this month | Bear River cutthroat troutSnake River cutthroat trout | 43,415 | 4.5 in |
20232 stockings · 55,313 fish
- May brook trout, 15,448 fish
- April Bear River cutthroat trout, Snake River cutthroat trout, 39,865 fish
20222 stockings · 46,128 fish
- May brook trout, rainbow trout, Yellowstone cutthroat trout, 31,048 fish
- April Snake River cutthroat trout, 15,080 fish
20212 stockings · 54,034 fish
- May brook trout, rainbow trout, 12,280 fish
- April Bear River cutthroat trout, Snake River cutthroat trout, 41,754 fish
20202 stockings · 39,827 fish
- May rainbow trout, 9,984 fish
- April Bear River cutthroat trout, brook trout, Snake River cutthroat trout, 29,843 fish
20192 stockings · 42,408 fish
- May Bear River cutthroat trout, brook trout, 27,386 fish
- April Snake River cutthroat trout, 15,022 fish
20182 stockings · 9,592 fish
- November Yellowstone cutthroat trout, 2,201 fish
- May brook trout, 7,391 fish
20174 stockings · 36,237 fish
- October Bear River cutthroat trout, rainbow trout, Snake River cutthroat trout, 16,430 fish
- September rainbow trout, 810 fish
- June Snake River cutthroat trout, 3,002 fish
- May brook trout, 15,995 fish
20161 stocking · 6,509 fish
- September Snake River cutthroat trout, Yellowstone cutthroat trout, 6,509 fish
From Wyoming 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: Wyoming fishing regulations.
Other stocked waters in Carbon County
- North Platte River Miracle Milestreamstocked Sep 1, 2026
- Sand Lakelakestocked Sep 1, 2026
- Wagonhound Creekstreamstocked Sep 1, 2026
- Fire Box Lakelakestocked Aug 1, 2026
- High Savery Reservoirlakestocked Jul 1, 2026
- Hog Park Reservoirlakestocked Jul 1, 2026
- Kortes Reservoirlakestocked Jul 1, 2026
- Twin Lake Carbon Southlakestocked Jul 1, 2026
All stocked waters in Carbon CountyStocked this week in Wyoming
Questions about Diamond Lake
- When was Diamond Lake last stocked?
- The latest reported stocking was Apr 1 to 30, 2026 (rainbow trout and Snake River cutthroat trout, 27,063 fish), according to Wyoming agency reports.
- How often is Diamond Lake stocked?
- It was stocked 4 times in the last 12 months. Across all years on record, most stockings come in April to May.
- Is Diamond Lake stocked often?
- The second most stocked of 51 waters in Carbon County. Stocked more often than 93% of Wyoming waters on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Diamond Lake?
- Snake River cutthroat trout (11 stockings, 138,512 fish); Rainbow trout (8 stockings, 35,009 fish); Bear River cutthroat trout (8 stockings, 154,455 fish); Brook trout (8 stockings, 96,979 fish); Yellowstone cutthroat trout (3 stockings, 22,934 fish); Brown trout (1 stocking, 950 fish); Tiger trout (1 stocking, 903 fish).
Stocking data from the Wyoming Game and Fish Department's fish stocking report, which records stockings by month with species, number and average length.