Montana stocking report
Copper Lake
The short answer
Copper Lake was last stocked on September 17, 2025: 300 Westslope Cutthroat Trout (2.23 in avg).
Location map
Copper Lake location context
Pins use the finest location published with the stocking record. County-level pins show area context, not an exact access point; confirm access and directions with the official agency source.
Looking for a different Copper Lake? Also on record: Copper Lake (Boundary County, Idaho) · Copper Lake (Custer County, Idaho) · Copper Lake (Shoshone County, Idaho) · Copper Lake (King County, Washington) · Copper Lake (Whatcom County, Washington)
Agency records
Full stocking history
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
| September 17, 2025 | Westslope Cutthroat Trout | 300 | 2.23 in avg | Washoe Park Trout Hatchery |
| July 31, 2019 | Westslope Cutthroat Trout | 300 | 1.93 in avg | Washoe Park Trout Hatchery |
| July 29, 2014 | Westslope Cutthroat Trout | 300 | 1.81 in avg | Washoe Park Trout Hatchery |
| August 7, 2007 | Westslope Cutthroat Trout | 300 | 1.4000000000000001 in avg | Washoe Park Trout Hatchery |
| August 2, 2000 | Westslope Cutthroat Trout | 300 | 1.6 in avg | Washoe Park Trout Hatchery |
| August 11, 1993 | Westslope Cutthroat Trout | 500 | 1 in avg | Washoe Park Trout Hatchery |
| August 8, 1989 | Westslope Cutthroat Trout | 500 | 1.5 in avg | Washoe Park Trout Hatchery |
| July 24, 1979 | Westslope Cutthroat Trout | 1,000 | 1 in avg | Washoe Park Trout Hatchery |
| August 2, 1978 | Westslope Cutthroat Trout | 1,500 | 1 in avg | Washoe Park Trout Hatchery |
| August 2, 1978 | Westslope Cutthroat Trout | 1,500 | 1 in avg | Washoe Park Trout Hatchery |
| August 2, 1975 | Westslope Cutthroat Trout | 1,200 | 1 in avg | Jocko River Trout Hatchery |
| August 2, 1975 | Westslope Cutthroat Trout | 1,200 | 1 in avg | Jocko River Trout Hatchery |
| October 6, 1969 | Westslope Cutthroat Trout | 1,155 | 2 in avg | Jocko River Trout Hatchery |
| October 6, 1969 | Westslope Cutthroat Trout | 1,386 | 2 in avg | Jocko River Trout Hatchery |
| June 9, 1954 | Rainbow Trout | 5,000 | 3 in avg | Washoe Park 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: .
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