Lost Lake trout stocking
Teton County, Wyoming · lake · about 9,464 ft elevation
Lost Lake was last stocked 15 months ago (Jul 1 to 31, 2025). We have 5 stockings on record since Aug 1, 2017. Most stockings come in July to August. Species stocked: Snake River cutthroat trout.
- Number 9 of 20 stocked waters in Teton County by stocking days.
- Stocked about as often as a typical Wyoming water on our record.
River conditions
Nearest USGS gage: Blackrock Cr bl Split Rock Cr, nr Moran, WY (7 km away, on a different stream or lake).
- Water temperature
- 47°F
Cool for trout. Trout are active but slower; fishing picks up as the water warms through the day.
Latest reading Sep 29, 2026, 3:15 AM UTC. USGS data are provisional. Gage page at USGS.
Weather at Lost Lake
- Tonight33°FSlight Chance Rain Showers then Partly Cloudy20% rain · wind 3 mph
- Tuesday53°FSunny9% rain · wind 2 to 7 mph
- Tuesday Night33°FMostly Clear6% rain · wind 0 to 7 mph
- Wednesday54°FSunnywind 0 to 8 mph
- Wednesday Night33°FMostly Clearwind 1 to 8 mph
- Thursday55°FSunnywind 3 to 9 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Lost Lake stocked?
Most stockings come in July to August.
By month, all years
Year by year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 1 | |||||||||||
| 2023 | 1 | |||||||||||
| 2021 | 1 | |||||||||||
| 2019 | 1 | |||||||||||
| 2017 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Snake River cutthroat trout | 5 | 2,566 | 513 | 3.7 in |
Stocking history
20251 stocking · 502 fish
| Date | Species | Fish | Size |
|---|---|---|---|
JulyLatest sometime this month | Snake River cutthroat trout | 502 | 3.5 in |
20231 stocking · 550 fish
| Date | Species | Fish | Size |
|---|---|---|---|
July sometime this month | Snake River cutthroat trout | 550 | 3.7 in |
20211 stocking · 548 fish
| Date | Species | Fish | Size |
|---|---|---|---|
July sometime this month | Snake River cutthroat trout | 548 | 3.7 in |
20191 stocking · 498 fish
- August Snake River cutthroat trout, 498 fish
20171 stocking · 468 fish
- August Snake River cutthroat trout, 468 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 Lake?
Teton County, Wyoming. Approximate: the marker is the USGS place-name point for this water, not an agency location.
Stocked waters near Lost Lake
- Upper Jade Lakelake · 4 mistocked Jul 1, 2025
- Lower Jade Lakelake · 4 mistocked Jul 1, 2025
- Brooks Lakelake · 5 mistocked Jun 1, 2026
- Mystery Lakelake · 6 mistocked Jul 1, 2023
- Mackinaw Lakelake · 8 mistocked Jul 1, 2025
- Pelham Lakelake · 8 mistocked Jul 1, 2026
- Clendenning Lakelake · 10 mistocked Jul 1, 2026
- Lewis Lakelake · 10 mistocked Jul 1, 2025
All stocked waters in Teton CountyStocked this week in Wyoming
Questions about Lost Lake
- When was Lost Lake last stocked?
- The latest reported stocking was Jul 1 to 31, 2025 (Snake River cutthroat trout, 502 fish), according to Wyoming agency reports.
- How often is Lost Lake stocked?
- Across all years on record, most stockings come in July to August.
- Is Lost Lake stocked often?
- Number 9 of 20 stocked waters in Teton County by stocking days. Stocked about as often as a typical Wyoming water on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Lost Lake?
- Snake River cutthroat trout (5 stockings, 2,566 fish).
- How warm is the water near Lost Lake?
- The nearest USGS gage read 47°F on Sep 29. Trout are active but slower; fishing picks up as the water warms through the day.
Stocking data from the Wyoming Game and Fish Department's fish stocking report, which records stockings by month with species, number and average length.