Stocking Report
Westslope Cutthroat Trout stocking in Montana
2,014 recorded stockings, 232 waters, averaging 5.02" at release, from Montana state agency records. Every water links to its own page.
Latest recorded stocking: May 24, 2026
When westslope cutthroat trout goes in
64% of recorded stockings happen from May through July.
- 0%Jan
- Feb
- 0%Mar
- 7%Apr
- 11%May
- 23%Jun
- 30%Jul
- 21%Aug
- 5%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 114,409 records to work out why.
Where westslope cutthroat trout gets stocked in Montana
| Water | County | Stockings | Fish | Last recorded |
|---|---|---|---|---|
| Nevada Reservoir | Not reported | 21 | 102,028 | May 23, 2022 |
| Piedmont Pond | Not reported | 21 | 8,377 | Oct 3, 2013 |
| Harpers Lake | Missoula | 20 | 7,800 | Jul 1, 2025 |
| Rainy Lake | Missoula | 20 | 22,629 | Jun 5, 2025 |
| Rainbow Lake | Not reported | 20 | 21,954 | Aug 9, 2024 |
| Seeley Lake | Missoula | 20 | 241,384 | May 30, 2013 |
| Big Bear Lake | Gallatin | 19 | 19,801 | Oct 16, 2024 |
| Grouse Lake | Not reported | 19 | 20,777 | Aug 26, 2024 |
| Park Lake | Not reported | 18 | 61,569 | Jul 28, 2021 |
| Libby Pond | Not reported | 17 | 6,052 | Jun 10, 2025 |
| Loon Lake | Not reported | 17 | 47,456 | Aug 9, 2024 |
| George Lake | Not reported | 16 | 363,046 | Jul 14, 2023 |
| Geary Pond | Not reported | 16 | 6,953 | Jun 17, 2019 |
| Pierce Lake | Missoula | 14 | 29,881 | Jun 5, 2025 |
| Blacktail Meadows Kids Pond | Not reported | 14 | 4,000 | May 8, 2025 |
| Salmon Lake | Not reported | 14 | 140,465 | Jul 19, 2014 |
| Woodward Lake | Missoula | 13 | 185,200 | Aug 11, 2020 |
| Baree Lake | Lincoln | 12 | 14,077 | Jul 15, 2023 |
| Spook Lake | Not reported | 12 | 10,553 | Jun 7, 2023 |
| Russ Lake | Not reported | 12 | 18,421 | May 11, 2011 |
| Renshaw Lake | Lewis and Clark | 11 | 11,302 | Sep 17, 2025 |
| Little Spar Lake | Not reported | 11 | 20,821 | Aug 9, 2024 |
| Lena Lake | Not reported | 11 | 45,164 | Oct 16, 2021 |
| Heart Lake | Not reported | 10 | 14,775 | Sep 17, 2025 |
See everything Montana stocks in the full Montana stocking report, or browse every mapped water in the Montana fishing spot finder.
