Gray Reef Reservoir trout stocking
Natrona County, Wyoming · lake · about 5,381 ft elevation
Gray Reef Reservoir was last stocked 6 months ago (Apr 1 to 30, 2026). We have 15 stockings on record since Sep 1, 2016, 2 in the last 12 months (22,434 fish). Most stockings come in April and September to October. Species stocked: brown trout, rainbow trout, Bear River cutthroat trout, Yellowstone cutthroat trout.
- Number 7 of 28 stocked waters in Natrona County by stocking days.
- Stocked more often than 81% of Wyoming waters on our record.
Weather at Gray Reef Reservoir
- Tonight49°FSlight Chance Showers And Thunderstorms then Mostly Cloudy15% rain · wind 5 mph
- Tuesday71°FPartly Sunny11% rain · wind 1 to 5 mph
- Tuesday Night44°FPartly Cloudy4% rain · wind 1 to 6 mph
- Wednesday74°FSunnywind 0 to 12 mph
- Wednesday Night42°FMostly Clearwind 3 to 10 mph
- Thursday74°FSunnywind 2 to 7 mph
Forecast from the National Weather Service for this location, refreshed hourly.
When is Gray Reef Reservoir stocked?
Most stockings come in April and September to October.
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 | 1 | 1 | |||||||||
| 2023 | 1 | |||||||||||
| 2022 | 1 | |||||||||||
| 2021 | 1 | |||||||||||
| 2020 | 1 | 1 | ||||||||||
| 2019 | 1 | 1 |
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Brown trout | 11 | 50,978 | 4,634 | 6.5 in |
| Rainbow trout | 4 | 64,328 | 16,082 | 4.2 in |
| Bear River cutthroat trout | 1 | 5,016 | 5,016 | 4.9 in |
| Yellowstone cutthroat trout | 1 | 2,002 | 2,002 | 9.1 in |
Stocking history
20261 stocking · 16,929 fish
| Date | Species | Fish | Size |
|---|---|---|---|
AprilLatest sometime this month | Bear River cutthroat troutRainbow trout | 16,929 | 4.2 in |
20251 stocking · 5,505 fish
| Date | Species | Fish | Size |
|---|---|---|---|
October sometime this month | Brown trout | 5,505 | 7.1 in |
20243 stockings · 27,419 fish
| Date | Species | Fish | Size |
|---|---|---|---|
December sometime this month | Rainbow trout | 21,844 | 4.7 in |
October sometime this month | Brown trout | 524 | 6.1 in |
September sometime this month | Brown trout | 5,051 | 5.9 in |
20231 stocking · 5,007 fish
- October brown trout, 5,007 fish
20221 stocking · 14,128 fish
- April brown trout, Yellowstone cutthroat trout, 14,128 fish
20211 stocking · 5,000 fish
- September brown trout, 5,000 fish
20202 stockings · 27,076 fish
- May brown trout, 5,007 fish
- April rainbow trout, 22,069 fish
20192 stockings · 2,701 fish
- July brown trout, 800 fish
- May brown trout, 1,901 fish
20172 stockings · 13,507 fish
- October brown trout, 5,005 fish
- April rainbow trout, 8,502 fish
20161 stocking · 5,052 fish
- September brown trout, 5,052 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 Gray Reef Reservoir?
Natrona County, Wyoming. Approximate: the marker is the USGS place-name point for this water, not an agency location.
Stocked waters near Gray Reef Reservoir
- Alcova Reservoirlake · 3 mistocked Jul 1, 2026
- Dome Rock Reslake · 18 mistocked Apr 1, 2026
- Beulah Belle Lakelake · 23 mistocked Apr 1, 2026
All stocked waters in Natrona CountyStocked this week in Wyoming
Questions about Gray Reef Reservoir
- When was Gray Reef Reservoir last stocked?
- The latest reported stocking was Apr 1 to 30, 2026 (Bear River cutthroat trout and rainbow trout, 16,929 fish), according to Wyoming agency reports.
- How often is Gray Reef Reservoir stocked?
- It was stocked 2 times in the last 12 months. Across all years on record, most stockings come in April and September to October.
- Is Gray Reef Reservoir stocked often?
- Number 7 of 28 stocked waters in Natrona County by stocking days. Stocked more often than 81% of Wyoming waters on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Gray Reef Reservoir?
- Brown trout (11 stockings, 50,978 fish); Rainbow trout (4 stockings, 64,328 fish); Bear River cutthroat trout (1 stocking, 5,016 fish); Yellowstone cutthroat trout (1 stocking, 2,002 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.