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 |
|---|---|---|---|---|
| Gooderich Bayou | Flathead | 11 | 2,810 | May 29, 2013 |
| Myron Lake | Lincoln | 11 | 9,537 | May 22, 2009 |
| Heart Lake | Not reported | 10 | 14,775 | Sep 17, 2025 |
| Sock Lake | Lewis and Clark | 10 | 9,900 | Sep 17, 2025 |
| Smith Lake | Not reported | 10 | 9,753 | Aug 8, 2025 |
| Missoula Lake | Mineral | 10 | 11,200 | Aug 15, 2024 |
| Blossom Lake, Lower | Not reported | 10 | 17,345 | Aug 12, 2024 |
| Lily Lake | Not reported | 10 | 18,973 | Aug 4, 2024 |
| Spotted Bear Lake | Flathead | 10 | 26,138 | Aug 4, 2024 |
| Beaver Lake | Not reported | 10 | 30,482 | Jul 14, 2023 |
| Blue Lake | Not reported | 10 | 9,084 | Jul 14, 2023 |
| Martin Lake | Not reported | 10 | 19,111 | Jul 14, 2023 |
| Black Lake | Not reported | 10 | 39,931 | Jul 20, 2022 |
| Lower Necklace Lake | Not reported | 10 | 11,429 | Oct 16, 2021 |
| Upper Necklace Lake | Not reported | 10 | 7,629 | Oct 16, 2021 |
| Pilgrim Lake 1 | Not reported | 10 | 58,500 | Aug 10, 2017 |
| Whetstone Lake | Granite | 9 | 6,000 | Sep 25, 2024 |
| Cliff Lake | Not reported | 9 | 11,750 | Sep 19, 2024 |
| Poison Lakes 1 | Not reported | 9 | 7,400 | Sep 19, 2024 |
| Bluebird Lake | Lincoln | 9 | 4,593 | Aug 15, 2024 |
| Lower Wolverine Lake | Not reported | 9 | 10,888 | Aug 15, 2024 |
| Blossom Lake, Upper | Not reported | 9 | 6,554 | Aug 12, 2024 |
| Deer Lake | Not reported | 9 | 7,342 | Aug 12, 2024 |
| Little Terrace Lake | Not reported | 9 | 9,687 | Aug 12, 2024 |
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.


