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 |
|---|---|---|---|---|
| Missoula Lake | Mineral | 10 | 11,200 | Aug 15, 2024 |
| Blossom Lake, Lower | Not reported | 10 | 17,345 | Aug 12, 2024 |
| Beaver Lake | Not reported | 10 | 30,482 | Jul 14, 2023 |
| Martin Lake | Not reported | 10 | 19,111 | Jul 14, 2023 |
| Lower Necklace Lake | Not reported | 10 | 11,429 | Oct 16, 2021 |
| Upper Necklace Lake | Not reported | 10 | 7,629 | Oct 16, 2021 |
| Cliff Lake | Not reported | 9 | 11,750 | Sep 19, 2024 |
| Blossom Lake, Upper | Not reported | 9 | 6,554 | Aug 12, 2024 |
| Gorge Lake North | Not reported | 9 | 23,823 | Jul 27, 2022 |
| Tendoy Lake | Beaverhead | 9 | 35,391 | Jul 28, 2021 |
| Koessler Lake | Missoula | 9 | 41,548 | Aug 23, 2018 |
| Necklace Lake #1 | Not reported | 9 | 15,859 | Jun 30, 2015 |
| Cherry Creek | Not reported | 9 | 8,995 | Apr 20, 2012 |
| St Paul Lake | Not reported | 8 | 20,783 | Aug 12, 2024 |
| Moran Basin Lakes | Not reported | 8 | 9,110 | Aug 20, 2022 |
| Outlaw Lake | Sanders | 8 | 8,560 | Aug 20, 2022 |
| Little Bear Lake | Not reported | 8 | 4,179 | Jul 25, 2022 |
| Jim Lake 16 | Not reported | 8 | 15,076 | Jul 22, 2022 |
| Jim Lake 19 | Not reported | 8 | 15,076 | Jul 22, 2022 |
| Upper Holland Lake | Missoula | 8 | 8,088 | Jul 22, 2022 |
| Gorge Lake South | Not reported | 8 | 18,596 | Jul 28, 2021 |
| McDonald Lake | Lake | 8 | 85,450 | Jun 23, 2008 |
| Mission Reservoir | Lake | 8 | 88,203 | Jun 23, 2008 |
| Cottonwood Lake, Middle | Not reported | 7 | 4,396 | Oct 9, 2025 |
See everything Montana stocks in the full Montana stocking report, or browse every mapped water in the Montana fishing spot finder.
