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 |
|---|---|---|---|---|
| Courtnage Reservoir #1 | Not reported | 1 | 1,000 | Jun 27, 2003 |
| Hendrickson Pond #2 | Not reported | 1 | 2,592 | May 20, 2003 |
| Lake Of The Woods | Not reported | 1 | 993 | Aug 15, 2002 |
| Boxelder Creek | Not reported | 1 | 2,012 | Jul 24, 2002 |
| Crystal Lake | Not reported | 1 | 4,470 | Jun 26, 2001 |
| Geary Pond | Not reported | 1 | 500 | Jun 19, 2001 |
| Pear Lake | Not reported | 1 | 3,980 | Sep 13, 2000 |
| Gottfried Pond | Not reported | 1 | 1,000 | May 10, 2000 |
| Cottonwood Lake, Middle | Not reported | 1 | 1,006 | May 9, 2000 |
| Kolar Reservoir #4 | Not reported | 1 | 500 | Apr 27, 2000 |
| Kolar Reservoir #5 | Not reported | 1 | 250 | Apr 27, 2000 |
| Kolar Reservoir #6 | Not reported | 1 | 250 | Apr 27, 2000 |
See everything Montana stocks in the full Montana stocking report, or browse every mapped water in the Montana fishing spot finder.
