Stocking Report
Westslope Cutthroat Trout stocking in Montana
4,285 recorded stockings, 457 waters, averaging 4.57" at release, from Montana Fish, Wildlife & Parks records. Every water links to its own page.
Latest recorded stocking: Sep 29, 2026
When westslope cutthroat trout goes in
60% of recorded stockings happen from May through July.
- 0%Jan
- Feb
- 0%Mar
- 6%Apr
- 13%May
- 20%Jun
- 27%Jul
- 23%Aug
- 7%Sep
- 2%Oct
- 0%Nov
- 0%Dec
Share of all recorded westslope cutthroat trout stockings in Montana, by calendar month. Stocking does not guarantee fish are present. Check current regulations and access before you go.
States run two very different stocking calendars. We looked at all 114,145 records to work out why.
Where westslope cutthroat trout gets stocked in Montana
| Water | County | Stockings | Fish | Last recorded |
|---|---|---|---|---|
| Newlan Reservoir | Not reported | 13 | 121,170 | Jun 17, 2025 |
| Louis Lake | Flathead | 13 | 20,590 | Aug 26, 2024 |
| Clayton Lake | Flathead | 13 | 46,671 | Aug 4, 2024 |
| Rhoda Lake | Judith Basin | 13 | 12,896 | Jul 27, 2023 |
| Big Hawk Lake | Flathead | 13 | 26,895 | Jul 15, 2023 |
| Woodward Lake | Missoula | 13 | 185,200 | Aug 11, 2020 |
| Our Lake | Teton | 12 | 18,394 | Sep 17, 2025 |
| Baree Lake | Lincoln | 12 | 14,077 | Jul 15, 2023 |
| Spook Lake | Not reported | 12 | 10,553 | Jun 7, 2023 |
| Upper Whitefish Lake | Flathead | 12 | 128,896 | Jun 1, 2021 |
| Russ Lake | Not reported | 12 | 18,421 | May 11, 2011 |
| Swan Lake | Not reported | 12 | 134,703 | Jun 6, 2007 |
| Upper Twin Lake | Ravalli | 11 | 40,712 | Sep 25, 2026 |
| Renshaw Lake | Lewis and Clark | 11 | 11,302 | Sep 17, 2025 |
| Little Spar Lake | Not reported | 11 | 20,821 | Aug 9, 2024 |
| Crescent Lake | Not reported | 11 | 21,002 | Aug 6, 2024 |
| Sunday Lake 1 | Not reported | 11 | 18,565 | Aug 6, 2024 |
| Burnt Lake | Flathead | 11 | 8,426 | Jul 14, 2023 |
| Upper Wolverine Lake | Not reported | 11 | 11,106 | Jul 14, 2023 |
| Wildcat Lake | Flathead | 11 | 22,269 | Jul 20, 2022 |
| Lena Lake | Not reported | 11 | 45,164 | Oct 16, 2021 |
| Leon Lake | Lincoln | 11 | 32,137 | Jul 10, 2019 |
| Upper Three Eagles Lake | Not reported | 11 | 7,000 | Aug 22, 2017 |
| Bair Reservoir | Meagher | 11 | 52,382 | Jun 10, 2014 |
See everything Montana stocks in the full Montana stocking report, or browse every mapped water in the Montana fishing spot finder.
Source: Montana Fish, Wildlife & Parks, from its fish stocking locations dataset.
