Stocking Report
Yellowstone Cutthroat Trout stocking in Montana
1,167 recorded stockings, 230 waters, averaging 5.28" at release, from Montana Fish, Wildlife & Parks records. Every water links to its own page.
Latest recorded stocking: Mar 26, 2026
When yellowstone cutthroat trout goes in
70% of recorded stockings happen from June through August.
- Jan
- 0%Feb
- 2%Mar
- 6%Apr
- 9%May
- 11%Jun
- 34%Jul
- 25%Aug
- 9%Sep
- 2%Oct
- 0%Nov
- 0%Dec
Share of all recorded yellowstone 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 yellowstone cutthroat trout gets stocked in Montana
| Water | County | Stockings | Fish | Last recorded |
|---|---|---|---|---|
| Eedica Lake | Stillwater | 4 | 3,120 | Jul 29, 2024 |
| Mouse Lake | Sweet Grass | 4 | 1,680 | Jul 29, 2024 |
| Nugget Lake | Stillwater | 4 | 1,660 | Jul 29, 2024 |
| Zimmer Lake | Park | 4 | 10,400 | Jul 29, 2024 |
| Anvil Lake | Not reported | 4 | 3,766 | Jul 26, 2022 |
| Marsh Lake | Park | 4 | 1,520 | Jul 27, 2021 |
| Nemidgi Lake | Not reported | 4 | 5,480 | Jul 27, 2021 |
| Swamp Lake | Not reported | 4 | 4,160 | Jul 27, 2021 |
| Jeff Lake | Park | 4 | 1,740 | Aug 7, 2020 |
| Lake Of The Clouds | Not reported | 4 | 9,440 | Jul 20, 2020 |
| Margaret Lake | Not reported | 4 | 2,215 | Jul 20, 2020 |
| Rock Lake | Not reported | 4 | 9,450 | Jul 30, 2019 |
| Lake Elsie | Gallatin | 4 | 2,000 | Jul 24, 2017 |
| Goose Creek | Not reported | 4 | 16,500 | Jul 30, 2012 |
| Panhandle Lake | Park | 4 | 1,400 | Jul 30, 2012 |
| Sheep Creek | Not reported | 4 | 6,020 | Sep 6, 2008 |
| Miller Creek | Not reported | 4 | 5,320 | Jul 15, 2008 |
| Otie Reservoir | Not reported | 4 | 1,339 | Nov 7, 2007 |
| Bair Reservoir | Meagher | 4 | 8,229 | May 28, 2004 |
| Little Arch Lake | Stillwater | 3 | 1,464 | Aug 5, 2025 |
| Medicine Lake | Not reported | 3 | 6,360 | Jul 29, 2024 |
| Weeluna Lake | Stillwater | 3 | 2,295 | Jul 29, 2024 |
| Cataract Lake | Not reported | 3 | 1,455 | Aug 1, 2023 |
| Dude Lake | Carbon | 3 | 6,100 | Aug 1, 2023 |
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.
