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 |
|---|---|---|---|---|
| Gheny Pond | Not reported | 63 | 5,594 | May 14, 2020 |
| Wadsworth Lake | Not reported | 62 | 122,628 | May 26, 2026 |
| Dailey Lake | Park | 61 | 397,610 | May 19, 2026 |
| Ennis Kids Pond | Not reported | 56 | 3,960 | Jun 19, 2008 |
| Glen Lake | Not reported | 55 | 40,489 | May 12, 2026 |
| Hebgen Lake | Gallatin | 52 | 1,735,996 | Sep 28, 2016 |
| Blacktail Meadows Kids Pond | Not reported | 49 | 10,179 | Apr 27, 2017 |
| Ruby River Reservoir | Madison | 46 | 1,492,402 | Jun 22, 2026 |
| Shiloh Conservation Pond 1 | Not reported | 45 | 25,509 | Jun 9, 2026 |
| Heironymous Pond | Not reported | 38 | 5,343 | May 18, 2026 |
| Hofman Reservoir | Not reported | 36 | 66,307 | May 30, 2025 |
| St. Regis Community Park | Not reported | 34 | 4,644 | May 20, 2026 |
| Frog Pond | Not reported | 34 | 17,296 | May 19, 2026 |
| Yellowtail Afterbay Reservoir | Big Horn | 33 | 505,942 | May 6, 2026 |
| Spar Lake | Lincoln | 32 | 105,110 | Jun 23, 2026 |
| Stafford Kid's Pond | Not reported | 29 | 3,393 | May 27, 2026 |
| Fairgrounds Pond | Not reported | 29 | 27,220 | May 29, 2024 |
| Pow Wow Pond | Not reported | 29 | 8,369 | Jun 8, 2021 |
| Fran Lake | Not reported | 26 | 33,319 | Jun 24, 2025 |
| Regional Parks Ponds | Not reported | 24 | 20,369 | Jun 8, 2026 |
| Carpenter Reservoir | Not reported | 24 | 23,155 | May 28, 2026 |
| Marias River | Chouteau | 24 | 265,287 | Sep 16, 2013 |
| Kolar Reservoir 1 | Not reported | 23 | 34,154 | May 15, 2026 |
| Urs Pond | Not reported | 23 | 29,251 | Jun 19, 2023 |
See everything Montana stocks in the full Montana stocking report, or browse every mapped water in the Montana fishing spot finder.
