Coopers Lake trout stocking
Powell County, Montana · lake · 4,494 ft elevation
Coopers Lake was last stocked 13 months ago (Oct 1, 2025). We have 1 stocking on record since Oct 1, 2025. Species stocked: westslope cutthroat trout.
Last stocked
13 months ago
Oct 1, 2025
Next planned
Not announced
Last 12 months
0 stockings
On record
1 stocking
since Oct 1, 2025
- The third most stocked of 5 waters in Powell County.
- Stocked less often than most Montana waters on our record.
Weather at Coopers Lake
- Overnight31°FMostly Cloudy3% rain · wind 1 mph
- Monday47°FMostly Cloudy14% rain · wind 1 mph
- Monday Night35°FRain Showers Likely55% rain · wind 0 to 7 mph
- Tuesday44°FChance Rain Showers then Mostly Cloudy41% rain · wind 5 to 9 mph
- Tuesday Night34°FMostly Cloudywind 5 mph
- Veterans Day51°FPatchy Fog then Partly Sunnywind 2 mph
Forecast from the National Weather Service for this location, refreshed hourly.
What is stocked
| Species | Stockings | Fish | Fish per stocking | Typical size |
|---|---|---|---|---|
| Westslope cutthroat trout | 1 | 4,000 | 4,000 | 5.7 in |
Stocking history
20251 stocking · 4,000 fish
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
Oct 1Latest Wednesday | Westslope cutthroat trout | 4,000 | 5.7 in | Washoe Park Trout Hatchery |
From Montana fish and wildlife agency reports, collected nightly and kept after the agency takes them down. Agencies revise reports; check the agency's report before you go. Seasons and limits: Montana fishing regulations.
Where is Coopers Lake?
Powell County, Montana. The marker is the agency's location for this water; streams are often stocked at several access points.
Stocked waters near Coopers Lake
- Penny Lakelake · 1 mistocked Oct 1, 2025
- Maddie Lakelake · 4 mistocked Jun 5, 2025
- Browns Lakelake · 9 mistocked Sep 16, 2026
- Snowbank Lakelake · 14 mistocked May 29, 2026
- Flesher Lakes 1lake · 21 mistocked May 29, 2026
- Cottonwood Lake, Middlelake · 21 mistocked Sep 29, 2026
- Harpers Lakelake · 22 mistocked Oct 30, 2026
All stocked waters in Powell CountyStocked this week in Montana
Questions about Coopers Lake
- When was Coopers Lake last stocked?
- The latest reported stocking was Oct 1, 2025 (westslope cutthroat trout, 4,000 fish), according to Montana agency reports.
- Is Coopers Lake stocked often?
- The third most stocked of 5 waters in Powell County. Stocked less often than most Montana waters on our record. We count each day the agency reported stocking it.
- What kind of trout are stocked in Coopers Lake?
- Westslope cutthroat trout (1 stocking, 4,000 fish).