Stocking Report
Rainbow Trout stocking in Montana
6,468 recorded stockings, 156 waters, averaging 9.7" at release, from Montana state agency records. Every water links to its own page.
Latest recorded stocking: Jun 23, 2026
When rainbow trout goes in
65% of recorded stockings happen from April through July.
- 1%Jan
- 0%Feb
- 2%Mar
- 11%Apr
- 19%May
- 22%Jun
- 13%Jul
- 5%Aug
- 14%Sep
- 10%Oct
- 2%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 114,409 records to work out why.
Where rainbow trout gets stocked in Montana
| Water | County | Stockings | Fish | Last recorded |
|---|---|---|---|---|
| Canyon Ferry Lake | Broadwater | 768 | 8,799,966 | Sep 26, 2025 |
| Holter Reservoir | Not reported | 638 | 6,826,108 | Sep 17, 2025 |
| Hauser Reservoir | Not reported | 402 | 3,861,276 | Oct 9, 2025 |
| Harpers Lake | Missoula | 302 | 68,074 | Jun 19, 2026 |
| Beavertail Pond | Not reported | 221 | 39,764 | May 14, 2026 |
| Rainbow Dam Reservoir | Not reported | 213 | 389,258 | Oct 14, 2025 |
| Giant Springs Fishing Pond | Not reported | 195 | 24,508 | Oct 14, 2025 |
| Triangle Pond | Not reported | 178 | 87,301 | May 19, 2026 |
| Clark Canyon Reservoir | Beaverhead | 175 | 6,162,788 | Jul 17, 2025 |
| Troy Kids Pond | Not reported | 155 | 61,760 | Jun 23, 2026 |
| Missoula Kids Pond | Not reported | 140 | 18,462 | Jun 9, 2026 |
| Ninepipes Pond (Allentown) | Not reported | 125 | 39,901 | May 1, 2026 |
| Browns Lake | Powell | 124 | 1,441,319 | Jun 17, 2026 |
| Frenchtown Pond | Missoula | 123 | 48,583 | Jun 5, 2026 |
| Willow Creek Reservoir | Not reported | 122 | 2,843,218 | Jun 1, 2026 |
| Wild Bill Lake | Carbon | 111 | 151,030 | Jun 8, 2026 |
| Greenough Lake | Carbon | 108 | 150,359 | Jun 10, 2026 |
| Lake Elmo | Yellowstone | 102 | 328,131 | Jun 3, 2026 |
| Nilan Reservoir | Lewis and Clark | 94 | 2,417,977 | May 26, 2026 |
| Vigilante Pond | Not reported | 87 | 8,696 | Jul 5, 2017 |
| Laurel Pond | Not reported | 78 | 166,739 | Jun 3, 2026 |
| Libby Pond | Not reported | 76 | 51,891 | Jun 27, 2025 |
| Bozeman Pond | Not reported | 75 | 38,829 | Sep 15, 2025 |
| Spring Meadow Lake | Not reported | 72 | 89,854 | May 11, 2026 |
See everything Montana stocks in the full Montana stocking report, or browse every mapped water in the Montana fishing spot finder.
