Lost Soldier Reservoir trout stocking
Sweetwater County, Wyoming · lake · about 6,956 ft elevation
Lost Soldier Reservoir was last stocked 6 months ago (Apr 1 to 30, 2026). We have 10 stockings on record since Jun 1, 2017, 1 in the last 12 months (440 fish). Most stockings come in May. Species stocked: rainbow trout.
- Number 10 of 17 stocked waters in Sweetwater County by stocking days.
- Stocked more often than 63% of Wyoming waters on our record.
Weather at Lost Soldier Reservoir
- Tonight46°FChance Rain Showers then Mostly Cloudy25% rain · wind 6 mph
- Tuesday66°FPartly Sunny6% rain · wind 6 mph
- Tuesday Night43°FMostly Clear5% rain · wind 5 mph
- Wednesday67°FSunnywind 2 to 9 mph
- Wednesday Night42°FMostly Clearwind 6 to 9 mph
- Thursday67°FSunnywind 5 to 8 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Lost Soldier Reservoir stocked?
Most stockings come in May.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | |||||||||||
| 2025 | 1 | |||||||||||
| 2024 | 1 | |||||||||||
| 2023 | 1 | |||||||||||
| 2022 | 1 | |||||||||||
| 2021 | 1 | |||||||||||
| 2020 | 1 | |||||||||||
| 2019 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Rainbow trout | 10 | 4,096 | 410 | 6.3 in |
Stocking history
20261 stocking · 440 fish
| Date | Species | Fish | Size |
|---|---|---|---|
AprilLatest sometime this month | Rainbow trout | 440 | 8.7 in |
20251 stocking · 400 fish
| Date | Species | Fish | Size |
|---|---|---|---|
May sometime this month | Rainbow trout | 400 | 7.7 in |
20241 stocking · 440 fish
| Date | Species | Fish | Size |
|---|---|---|---|
May sometime this month | Rainbow trout | 440 | 4.1 in |
20231 stocking · 406 fish
- May rainbow trout, 406 fish
20221 stocking · 399 fish
- April rainbow trout, 399 fish
20211 stocking · 442 fish
- May rainbow trout, 442 fish
20201 stocking · 405 fish
- May rainbow trout, 405 fish
20191 stocking · 364 fish
- May rainbow trout, 364 fish
20181 stocking · 400 fish
- April rainbow trout, 400 fish
20171 stocking · 400 fish
- June rainbow trout, 400 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.
Where is Lost Soldier Reservoir?
Sweetwater County, Wyoming. Approximate: the marker is the USGS place-name point for this water, not an agency location.
Questions about Lost Soldier Reservoir
- When was Lost Soldier Reservoir last stocked?
- The latest reported stocking was Apr 1 to 30, 2026 (rainbow trout, 440 fish), according to Wyoming agency reports.
- How often is Lost Soldier Reservoir stocked?
- It was stocked 1 times in the last 12 months. Across all years on record, most stockings come in May.
- Is Lost Soldier Reservoir stocked often?
- Number 10 of 17 stocked waters in Sweetwater County by stocking days. Stocked more often than 63% of Wyoming waters on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Lost Soldier Reservoir?
- Rainbow trout (10 stockings, 4,096 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.