Stocking Report
Arctic Grayling stocking in Montana
300 recorded stockings, 60 waters, averaging 3.47" at release, from Montana Fish, Wildlife & Parks records. Every water links to its own page.
Latest recorded stocking: Sep 17, 2025
When arctic grayling goes in
73% of recorded stockings happen from May through July.
- Jan
- Feb
- Mar
- 4%Apr
- 23%May
- 24%Jun
- 27%Jul
- 4%Aug
- 17%Sep
- 1%Oct
- 0%Nov
- Dec
Share of all recorded arctic grayling 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 arctic grayling gets stocked in Montana
| Water | County | Stockings | Fish | Last recorded |
|---|---|---|---|---|
| Ruby River | Madison | 34 | 1,234,921 | Jun 10, 2008 |
| Rogers Lake | Flathead | 26 | 1,553,250 | May 8, 2024 |
| Twin Lake (Upper) | Not reported | 19 | 10,722 | Jul 16, 2025 |
| Sylvia Lake | Flathead | 19 | 221,004 | Jun 22, 2023 |
| Handkerchief Lake | Flathead | 17 | 125,970 | Sep 20, 2024 |
| Green Hollow Reservoir #2 | Not reported | 14 | 8,800 | Jun 15, 2021 |
| Madison River | Gallatin | 14 | 118,400 | Apr 11, 2006 |
| Gallatin River | Gallatin | 13 | 125,255 | Apr 21, 2006 |
| Olga Lake | Not reported | 12 | 104,926 | Jul 20, 2022 |
| North Fork Sun River | Teton | 12 | 377,652 | Jun 9, 2008 |
| Beaverhead River | Madison | 11 | 64,591 | Jun 17, 2002 |
| Tunnel Lake | Not reported | 8 | 10,055 | Aug 29, 2022 |
| Red Meadow Lake | Flathead | 6 | 89,998 | Jul 10, 2005 |
| Hound Creek Reservoir | Cascade | 5 | 6,648 | Oct 22, 2008 |
| Smith Lake | Not reported | 5 | 14,355 | Jul 30, 2008 |
| Spaghetti Lake | Not reported | 4 | 2,973 | Sep 24, 2022 |
| Chrome Lake | Stillwater | 4 | 1,171 | Sep 30, 2020 |
| Kaufman Lake | Park | 4 | 23,975 | Jul 14, 2013 |
| Rock Creek | Not reported | 4 | 412,300 | May 31, 2013 |
| Shay Lake | Lake | 4 | 11,170 | Jul 6, 2006 |
| Little Washtub Lake (Washtub Lake) | Not reported | 3 | 850 | Sep 24, 2022 |
| Heart Lake | Not reported | 3 | 14,180 | Jun 8, 2021 |
| Skeeter Lake | Not reported | 3 | 2,672 | Sep 14, 2015 |
| Foy Lake | Flathead | 3 | 134,000 | Jun 21, 2013 |
See everything Montana stocks in the full Montana stocking report, or browse every mapped water in the Montana fishing spot finder.
Source: Montana Fish, Wildlife & Parks, from its fish stocking locations dataset.
