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 |
|---|---|---|---|---|
| Skinnner Reservoir | Not reported | 7 | 8,156 | Jun 14, 2024 |
| Smith Lake | Not reported | 7 | 4,220 | Jul 28, 2014 |
| Twelvemile Coulee Reservoir | Not reported | 7 | 13,000 | May 24, 2012 |
| Seeley Lake | Missoula | 7 | 708 | Jan 9, 2002 |
| SSS Pond | Not reported | 6 | 3,000 | May 29, 2026 |
| Ikes Fishing Pond | Not reported | 6 | 3,021 | May 30, 2025 |
| Diacon Pond | Not reported | 6 | 1,155 | Jun 17, 2021 |
| Williamson Reservoir | Not reported | 6 | 9,751 | May 1, 2008 |
| Twin Lakes | Not reported | 6 | 17,735 | Sep 12, 2006 |
| KOA Dredge Pond | Not reported | 6 | 550 | Jun 14, 2000 |
| Kingsbury Pond | Not reported | 5 | 3,645 | Jun 19, 2023 |
| Spring Creek Campground South Pond | Not reported | 5 | 2,114 | Jun 15, 2023 |
| Bayers Pond Lower | Not reported | 5 | 1,183 | Jun 2, 2005 |
| Superior Golf Course Pond | Not reported | 5 | 805 | May 28, 2003 |
| Iliad Reservoir | Not reported | 4 | 5,150 | Jul 8, 2025 |
| Elk Grove Community Pond | Not reported | 4 | 2,104 | Jun 4, 2025 |
| Ninepipe Reservoir | Lake | 4 | 500 | Oct 27, 2005 |
| Pilot Rock Res | Not reported | 4 | 2,000 | May 23, 2005 |
| Gouchenour Pond | Not reported | 3 | 2,169 | Jun 16, 2025 |
| Phillips Pond | Not reported | 3 | 1,086 | Jun 12, 2014 |
| Flying V Ranch Ponds | Not reported | 3 | 1,500 | Jul 31, 2012 |
| Andres Pone | Not reported | 3 | 713 | Jun 13, 2011 |
| Lost Lake | Not reported | 3 | 3,339 | Jun 8, 2007 |
| Clawitter Reservoir | Not reported | 3 | 4,500 | Jun 28, 2006 |
See everything Montana stocks in the full Montana stocking report, or browse every mapped water in the Montana fishing spot finder.
