Stocking Report
Arctic Grayling stocking in Montana
160 recorded stockings, 37 waters, averaging 4.3" at release, from Montana state agency records. Every water links to its own page.
Latest recorded stocking: Sep 17, 2025
When arctic grayling goes in
66% of recorded stockings happen from May through July.
- Jan
- Feb
- Mar
- 7%Apr
- 31%May
- 15%Jun
- 19%Jul
- 3%Aug
- 24%Sep
- 1%Oct
- 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 114,409 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 |
| Twin Lake (Upper) | Not reported | 19 | 10,722 | Jul 16, 2025 |
| 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 |
| 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 |
| 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 |
| Missouri River | St. Charles | 3 | 26,970 | Jun 24, 2002 |
| Selway Lake | Beaverhead | 2 | 4,000 | Sep 12, 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 |
| 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 |
See everything Montana stocks in the full Montana stocking report, or browse every mapped water in the Montana fishing spot finder.
