Cutthroat Trout Stocked · 15 plants · last October 1, 2025 Last stocked October 1, 2025 · avg 5.2 in · 15 plants
Cutthroat Trout species guideCoopers Lake fishing
Coopers Lake fishing is stocked with Cutthroat Trout on a natural lake. Also recorded: Rainbow Trout, Brook Trout, Bull Trout, Northern Pikeminnow, and Longnose Sucker. It is stocked about once a year since 2011, most often in May and June. Species guides list dawn and dusk for Rainbow Trout and dawn, day, and dusk for Brook Trout.
- Last stocked
- October 1, 2025
- · Cutthroat Trout
- Plants on record
- 15
- Since 2011
- Species stocked
- 1 (+5 also recorded)
- Average size
- 5.2 in
- Elevation
- 4,493.9 ft
Fish at Coopers Lake
Around the dates Coopers Lake is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 58°F in June, 49°F in May, 41.3°F in October. That is air temperature at these coordinates, not water temperature. Open-Meteo
Cutthroat Trout Stocked · 15 plants · last October 1, 2025 
Rainbow Trout Confirmed present Best: dawn, dusk Best: dawn, dusk
Rainbow Trout species guide
Brook Trout Confirmed present Best: dawn, day, dusk Best: dawn, day, dusk
Brook Trout species guide Bull Trout Confirmed present
Northern Pikeminnow Confirmed present
Longnose Sucker Confirmed present
How Coopers Lake is stocked
Browns Lake (9.6 mi) was stocked more recently.
Fish stocked in 2011
4,000
Fish stocked in 2012
3,600
Fish stocked in 2013
4,000
Fish stocked in 2014
4,000
Fish stocked in 2015
4,000
Fish stocked in 2016
4,000
Fish stocked in 2017
4,000
Fish stocked in 2018
4,000
Fish stocked in 2019
4,000
Fish stocked in 2020
4,000
Fish stocked in 2021
5,226
Fish stocked in 2022
4,000
Fish stocked in 2023
4,000
Fish stocked in 2024
3,600
Fish stocked in 2025
4,000
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| October 1, 2025 | Cutthroat Trout | 4,000 | 5.7 in | report |
| October 2, 2024 | Cutthroat Trout | 3,600 | 5.23 in | report |
| June 13, 2023 | Cutthroat Trout | 4,000 | 5.46 in | report |
| June 2, 2022 | Cutthroat Trout | 4,000 | 5.54 in | report |
| May 5, 2021 | Cutthroat Trout | 5,226 | 4.99 in | report |
| May 22, 2020 | Cutthroat Trout | 4,000 | 4.67 in | report |
| June 26, 2019 | Cutthroat Trout | 4,000 | 5.6 in | report |
| June 4, 2018 | Cutthroat Trout | 4,000 | 4.84 in | report |
| June 8, 2017 | Cutthroat Trout | 4,000 | 5.23 in | report |
| June 2, 2016 | Cutthroat Trout | 4,000 | 4.92 in | report |
| June 9, 2015 | Cutthroat Trout | 4,000 | 4.3 in | report |
| June 16, 2014 | Cutthroat Trout | 4,000 | 4.63 in | report |
| June 11, 2013 | Cutthroat Trout | 4,000 | 5.43 in | report |
| June 19, 2012 | Cutthroat Trout | 3,600 | 5.9 in | report |
| June 28, 2011 | Cutthroat Trout | 4,000 | 5 in | report |
Access and facts
- Water type
- natural lake
- Nearest town
- Ovando
- Facilities
- camping, restrooms
A 200-acre lake, up to 55 feet deep on FWP's survey map. The Forest Service's Big Nelson Campground is on the shore, with a primitive boat launch. From Clearwater Junction, 19.5 miles east on Hwy 200, then 12 miles north on gravel North Fork Blackfoot Road #5550. Private property borders the shore.
Drafted by AI from the cited sources and checked before publishing.
Advisories, closures, regulations and water conditions change. Check the Montana Fish, Wildlife & Parks before you go.
Nearest lakes
Public land at Coopers Lake
Coopers Lake is 0.2 miles outside the edge of Lolo National Forest.
Boundaries from Public Lands DB, part of the same network.
Common questions
What fish are at Coopers Lake?
Fishing Coopers Lake usually means Cutthroat Trout. All 15 plants on record are Cutthroat Trout. Cutthroat Trout was last stocked October 1, 2025, averaging 5.2 in. Rainbow Trout, Brook Trout, Bull Trout, and Northern Pikeminnow, plus 1 more are recorded here outside the stocking reports.
When is Coopers Lake stocked?
Last stocked October 1, 2025. It is stocked about once a year since 2011, most often in May and June.
How big are the fish stocked at Coopers Lake?
Cutthroat Trout stocked at Coopers Lake average 5.2 in.
How do you get on Coopers Lake?
The nearest town is Ovando. Facilities include camping and restrooms. A 200-acre lake, up to 55 feet deep on FWP's survey map. The Forest Service's Big Nelson Campground is on the shore, with a primitive boat launch. From Clearwater Junction, 19.5 miles east on Hwy 200, then 12 miles north on gravel North Fork Blackfoot Road #5550. Private property borders the shore.
Which lakes near Coopers Lake were stocked more recently?
Browns Lake (9.6 mi) was stocked more recently.