Big Horn County, Montana trout stocking
Montana stocks 1 water in Big Horn County (1 lake or pond). The most recent stocking was Yellowtail Afterbay Reservoir, 6 months ago (May 6, 2026). Most stockings here come in April.
Updated nightly from Montana Fish, Wildlife and Parks (Montana FWP) stocking data.
When Big Horn County is stocked
Stocked waters in Big Horn County
| Water | Type | Last stocked | On record | Species |
|---|---|---|---|---|
| Yellowtail Afterbay Reservoir | lake | May 6, 2026 | 3 | Rainbow trout |
Other Montana counties
- Beaverhead (11)
- Blaine (17)
- Carbon (17)
- Carter (7)
- Cascade (6)
- Chouteau (9)
- Custer (10)
- Daniels (4)
- Dawson (3)
- Deer Lodge (12)
- Fallon (8)
- Fergus (18)
- Flathead (36)
- Gallatin (9)
- Garfield (12)
- Glacier (3)
- Granite (9)
- Hill (7)
- Jefferson (5)
- Judith Basin (3)
- Lake (7)
- Lewis and Clark (12)
- Lincoln (23)
- Madison (4)
- Meagher (11)
- Mineral (5)
- Missoula (18)
- Park (12)
- Petroleum (4)
- Phillips (23)
- Powder River (3)
- Powell (5)
- Prairie (9)
- Ravalli (4)
- Roosevelt (4)
- Rosebud (10)
- Sanders (3)
- Sheridan (5)
- Stillwater (6)
- Sweet Grass (9)
- Teton (10)
- Toole (3)
- Valley (10)
- Wheatland (5)
- Yellowstone (5)
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