Stocking Report
Rainbow Trout stocking in Montana
15,826 recorded stockings, 581 waters, averaging 7.82" at release, from Montana Fish, Wildlife & Parks records. Every water links to its own page.
Latest recorded stocking: Sep 23, 2026
When rainbow trout goes in
66% of recorded stockings happen from April through June.
- 1%Jan
- 1%Feb
- 3%Mar
- 18%Apr
- 24%May
- 24%Jun
- 8%Jul
- 3%Aug
- 11%Sep
- 6%Oct
- 1%Nov
- 1%Dec
Share of all recorded rainbow 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 rainbow trout gets stocked in Montana
| Water | County | Stockings | Fish | Last recorded |
|---|---|---|---|---|
| Greenough Lake | Carbon | 110 | 153,358 | Aug 25, 2026 |
| Deadmans Basin Reservoir | Wheatland | 110 | 4,787,653 | May 26, 2026 |
| Lake Elmo | Yellowstone | 103 | 332,969 | Sep 14, 2026 |
| Upper Frog Pond | Not reported | 102 | 24,286 | Jun 5, 2026 |
| Lower Frog Pond | Not reported | 101 | 22,531 | Jun 5, 2026 |
| Crystal Lake | Not reported | 97 | 168,679 | Sep 4, 2026 |
| Sophie Lake | Lincoln | 97 | 151,742 | May 6, 2026 |
| Chief Joseph Pond | Not reported | 95 | 40,337 | Jun 5, 2026 |
| McGregor Lake | Flathead | 95 | 1,398,230 | May 19, 2026 |
| Nilan Reservoir | Lewis and Clark | 94 | 2,417,977 | May 26, 2026 |
| Echo Lake | Not reported | 94 | 1,085,321 | Sep 22, 2025 |
| Foy Lake | Flathead | 89 | 549,873 | Sep 23, 2026 |
| Vigilante Pond | Not reported | 87 | 8,696 | Jul 5, 2017 |
| Pishkun Reservoir | Teton | 86 | 1,019,740 | Nov 4, 2025 |
| Frank Lake | Lincoln | 84 | 253,979 | May 25, 2023 |
| Lion Lake | Not reported | 83 | 35,366 | May 6, 2020 |
| Mountain Mall Pond | Not reported | 81 | 22,881 | May 17, 2022 |
| Laurel Pond | Not reported | 78 | 166,739 | Jun 3, 2026 |
| Bozeman Pond | Not reported | 77 | 40,029 | Sep 10, 2026 |
| Libby Pond | Not reported | 76 | 51,891 | Jun 27, 2025 |
| Spring Meadow Lake | Not reported | 73 | 91,354 | Sep 8, 2026 |
| West Rosebud Lake | Stillwater | 73 | 78,364 | Jun 3, 2026 |
| Little Bitterroot Lake | Flathead | 73 | 964,921 | Jun 20, 2024 |
| Dry Bridge Slough | Not reported | 72 | 22,373 | Apr 6, 2021 |
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.
