Halfmoon Lake trout stocking
Sublette County, Wyoming · lake
Halfmoon Lake was last stocked 3 months ago (Jul 1 to 31, 2026). We have 23 stockings on record since Jun 1, 2017, 4 in the last 12 months (29,502 fish). Most stockings come in June to July. Species stocked: rainbow trout, Colorado River cutthroat trout, Yellowstone cutthroat trout.
Last stocked
3 months ago
Jul 1 to 31, 2026
Next planned
Not announced
Last 12 months
4 stockings
29,502 fish
On record
23 stockings
since Jun 1, 2017
- Number 7 of 86 stocked waters in Sublette County by stocking days.
- Stocked more often than 90% of Wyoming waters on our record.
When is Halfmoon Lake stocked?
Most stockings come in June to July.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | 1 | |||||||||
| 2025 | 1 | 1 | ||||||||||
| 2024 | 1 | |||||||||||
| 2023 | 1 | 1 | ||||||||||
| 2022 | 1 | 1 | ||||||||||
| 2021 | 1 | 1 | 1 | |||||||||
| 2020 | 1 | 1 | 1 | 1 | ||||||||
| 2019 | 1 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Rainbow trout | 14 | 25,816 | 1,844 | 11.4 in |
| Colorado River cutthroat trout | 11 | 55,532 | 5,048 | 7.1 in |
| Yellowstone cutthroat trout | 1 | 11,704 | 11,704 | 7.2 in |
Stocking history
20263 stockings · 21,881 fish
| Date | Species | Fish | Size |
|---|---|---|---|
JulyLatest sometime this month | Colorado River cutthroat trout | 8,181 | 8.7 in |
June sometime this month | Colorado River cutthroat troutRainbow trout | 1,996 | 10.4 in |
May sometime this month | Yellowstone cutthroat trout | 11,704 | 7.2 in |
20252 stockings · 9,622 fish
| Date | Species | Fish | Size |
|---|---|---|---|
October sometime this month | Colorado River cutthroat trout | 7,621 | 8.8 in |
May sometime this month | Rainbow trout | 2,001 | 8.6 in |
20241 stocking · 9,256 fish
| Date | Species | Fish | Size |
|---|---|---|---|
July sometime this month | Colorado River cutthroat troutRainbow trout | 9,256 | 9.3 in |
20232 stockings · 8,200 fish
- July Colorado River cutthroat trout, 7,700 fish
- June rainbow trout, 500 fish
20222 stockings · 5,747 fish
- September rainbow trout, 500 fish
- July Colorado River cutthroat trout, 5,247 fish
20213 stockings · 7,173 fish
- October rainbow trout, 500 fish
- July Colorado River cutthroat trout, 3,605 fish
- June Colorado River cutthroat trout, 3,068 fish
20204 stockings · 11,270 fish
- October rainbow trout, 500 fish
- July Colorado River cutthroat trout, 2,156 fish
- June Colorado River cutthroat trout, 4,806 fish
- April Colorado River cutthroat trout, 3,808 fish
20192 stockings · 5,978 fish
- October rainbow trout, 500 fish
- June rainbow trout, 5,478 fish
20183 stockings · 5,425 fish
- November rainbow trout, 420 fish
- July rainbow trout, 1,008 fish
- June rainbow trout, 3,997 fish
20171 stocking · 8,500 fish
- June rainbow trout, 8,500 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 Sublette County
- Soda Lakelakestocked Sep 1, 2026
- Willow Lakelakestocked Sep 1, 2026
- Blucher Lakelakestocked Jul 1, 2026
- Boulder Lakelakestocked Jul 1, 2026
- Cottonwood Creek Northstreamstocked Jul 1, 2026
- Cottonwood Creek Southstreamstocked Jul 1, 2026
- Fish Creekstreamstocked Jul 1, 2026
- Fremont Lakelakestocked Jul 1, 2026
All stocked waters in Sublette CountyStocked this week in Wyoming
Questions about Halfmoon Lake
- When was Halfmoon Lake last stocked?
- The latest reported stocking was Jul 1 to 31, 2026 (Colorado River cutthroat trout, 8,181 fish), according to Wyoming agency reports.
- How often is Halfmoon Lake stocked?
- It was stocked 4 times in the last 12 months. Across all years on record, most stockings come in June to July.
- Is Halfmoon Lake stocked often?
- Number 7 of 86 stocked waters in Sublette County by stocking days. Stocked more often than 90% of Wyoming waters on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Halfmoon Lake?
- Rainbow trout (14 stockings, 25,816 fish); Colorado River cutthroat trout (11 stockings, 55,532 fish); Yellowstone cutthroat trout (1 stocking, 11,704 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.