Kookoo Lake - stocking report
Kookoo Lake was last stocked on August 5, 2025: 610 Yellowstone Cutthroat Trout (2.34 in avg).
Full stocking history
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
| August 5, 2025 | Yellowstone Cutthroat Trout | 610 | 2.34 in avg | Yellowstone River Trout Hatchery |
| July 30, 2018 | Yellowstone Cutthroat Trout | 610 | 2.34 in avg | Yellowstone River Trout Hatchery |
| July 20, 2010 | Yellowstone Cutthroat Trout | 610 | 2.15 in avg | Yellowstone River Trout Hatchery |
| August 13, 2002 | Yellowstone Cutthroat Trout | 610 | 2.5 in avg | Yellowstone River Trout Hatchery |
| August 8, 1994 | Yellowstone Cutthroat Trout | 610 | 2.4 in avg | Yellowstone River Trout Hatchery |
| July 22, 1985 | Yellowstone Cutthroat Trout | 872 | 2 in avg | Big Springs Trout Hatchery |
| August 9, 1972 | Yellowstone Cutthroat Trout | 1,760 | 2 in avg | Yellowstone River Trout Hatchery |
Records shown exactly as published by Montana Fish, Wildlife & Parks. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.
Data source: Montana Fish, Wildlife & Parks. Last updated: .