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 |
|---|---|---|---|---|
| Red Rock River Ranch Res | Not reported | 3 | 5,900 | Sep 19, 2003 |
| Missouri River | St. Charles | 3 | 26,970 | Jun 24, 2002 |
| South Fork Sun River | Lewis and Clark | 3 | 9,099 | Jul 21, 2001 |
| Selway Lake | Beaverhead | 2 | 4,000 | Sep 12, 2025 |
| Grebe Lake | Not reported | 2 | 10,831 | Aug 27, 2025 |
| Chiquita Lake | Madison | 2 | 4,097 | Jul 28, 2023 |
| Hebgen Lake | Gallatin | 2 | 82,084 | Jun 13, 2023 |
| Saderbalm Lake | Stillwater | 2 | 1,140 | Sep 24, 2022 |
| Stony Lake | Not reported | 2 | 11,995 | Jul 20, 2022 |
| Long Branch Lake | Beaverhead | 2 | 950 | Jun 23, 2021 |
| Lost Lake | Not reported | 2 | 600 | Sep 14, 2015 |
| Black Lake | Not reported | 2 | 20,000 | May 20, 2011 |
| Reservoir Lake | Not reported | 2 | 1,100 | May 22, 2006 |
| Jefferson River | Gallatin | 2 | 18,400 | Sep 10, 2003 |
| Bobcat Lakes | Beaverhead | 1 | 500 | Sep 17, 2025 |
| Odell Lake | Beaverhead | 1 | 500 | Sep 17, 2025 |
| Schwinegar Lake | Beaverhead | 1 | 500 | Sep 17, 2025 |
| Diaphanous Lake | Not reported | 1 | 850 | Sep 24, 2022 |
| Gallery Lake | Carbon | 1 | 400 | Sep 24, 2022 |
| Nymph Lake | Carbon | 1 | 750 | Sep 24, 2022 |
| Throop Lake | Not reported | 1 | 750 | Sep 24, 2022 |
| Wiedy Lake | Park | 1 | 525 | Sep 25, 2020 |
| Line Lake | Carbon | 1 | 1,001 | Sep 22, 2020 |
| Green Hollow Reservoir | Not reported | 1 | Not reported | Jul 13, 2020 |
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.
