Greenough Lake Fishing and Stocking
Montana. Montana Fish, Wildlife & Parks lists 4 stockings here in the latest year of its data (Rainbow Trout), the most recent on Aug 25, 2026. Stocked in May, June and August in two or more years.
2026 Stocking
| Date | Species | Fish | Size |
|---|---|---|---|
| Aug 25, 2026 | Rainbow Trout | 1,499 | 10.41 in |
| Aug 12, 2026 | Rainbow Trout | 1,500 | 9.79 in |
| Jun 10, 2026 | Rainbow Trout | 1,502 | 7.3 in |
| May 12, 2026 | Rainbow Trout | 1,514 | 6.68 in |
2025 Stocking
| Date | Species | Fish | Size |
|---|---|---|---|
| Aug 27, 2025 | Rainbow Trout | 928 | 11.7 in |
| Jul 31, 2025 | Rainbow Trout | 340 | 10.5 in |
| Jul 30, 2025 | Rainbow Trout | 1,170 | 12.1 in |
| Jun 10, 2025 | Rainbow Trout | 1,500 | 8.9 in |
| May 21, 2025 | Rainbow Trout | 554 | 9.75 in |
| May 13, 2025 | Rainbow Trout | 972 | 9.41 in |
2024 Stocking
| Date | Species | Fish | Size |
|---|---|---|---|
| Jun 20, 2024 | Rainbow Trout | 1,984 | 7.77 in |
| May 30, 2024 | Rainbow Trout | 1,499 | 9 in |
About This Data
Every row comes from the stocking information published by Montana Fish, Wildlife & Parks, checked Nov 3, 2026. The agency lists this water as “Greenough Lake”. Species and sizes are given as the agency names them; a dash means the agency does not say.
More for Montana Anglers
Stocking dates and places can change without notice; check with the agency before a trip. ReelTourney is not affiliated with Montana Fish, Wildlife & Parks.