Stocking Report
Brown Trout stocking in Montana
224 recorded stockings, 33 waters, averaging 4.36" at release, from Montana state agency records. Every water links to its own page.
Latest recorded stocking: May 12, 2026
When brown trout goes in
75% of recorded stockings happen from May through June.
- Jan
- Feb
- 1%Mar
- 9%Apr
- 32%May
- 44%Jun
- 8%Jul
- 1%Aug
- 4%Sep
- Oct
- Nov
- 1%Dec
Share of all recorded brown 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 brown trout gets stocked in Montana
| Water | County | Stockings | Fish | Last recorded |
|---|---|---|---|---|
| Plutz Reservoir | Not reported | 2 | 1,999 | Jun 17, 2002 |
| Rebate Reservoir | Not reported | 2 | 1,999 | Jun 17, 2002 |
| Nilan Reservoir | Lewis and Clark | 1 | 998 | Jun 14, 2016 |
| Holgate Reservoir | Not reported | 1 | 275 | Apr 29, 2015 |
| Wolf Crk Ranch Pond, Upper | Not reported | 1 | 481 | Apr 29, 2015 |
| Lower Thompson Lake | Lincoln | 1 | 3,249 | Aug 28, 2000 |
| Middle Thompson Lake | Lincoln | 1 | 3,249 | Aug 28, 2000 |
| Amc Wildlife Pond | Not reported | 1 | 508 | Jul 19, 2000 |
| Unnamed Lake | Lewis and Clark | 1 | 508 | Jul 19, 2000 |
See everything Montana stocks in the full Montana stocking report, or browse every mapped water in the Montana fishing spot finder.
