Cutthroat Trout Stocked · 11 plants · last August 26, 2024 Last stocked August 26, 2024 · avg 1.5 in · 11 plants
Cutthroat Trout species guideGrouse Lake fishing
Grouse Lake fishing has Cutthroat Trout and Brook Trout on the stocking report. It is stocked about 1.1 times a year since 2011, most often in July and August. Species guides list dawn, day, and dusk as the active times.
- Last stocked
- May 7, 2025
- · Brook Trout
- Plants on record
- 17
- Since 2011
- Species recorded
- 2
- Average size
- 2.2 in
- Elevation
- 2,931.1 ft
Fish at Grouse Lake
Around the dates Grouse Lake is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 68°F in August, 69°F in July, 58.6°F in September, 60.6°F in June. That is air temperature at these coordinates, not water temperature. Open-Meteo
Cutthroat Trout Stocked · 11 plants · last August 26, 2024 
Brook Trout Stocked · 6 plants · last May 7, 2025 Best: dawn, day, dusk How Grouse Lake is stocked
No plants recorded in 2013, 2018, and 2020.
Fish stocked in 2011
1,010
Fish stocked in 2012
952
Fish stocked in 2014
1,020
Fish stocked in 2015
2,496
Fish stocked in 2016
4,138
Fish stocked in 2017
989
Fish stocked in 2019
2,440
Fish stocked in 2021
1,994
Fish stocked in 2022
2,004
Fish stocked in 2023
1,000
Fish stocked in 2024
1,000
Fish stocked in 2025
1,000
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| May 7, 2025 | Brook Trout | 1,000 | 3.43 in | report |
| August 26, 2024 | Cutthroat Trout | 1,000 | 1.5 in | report |
| July 15, 2023 | Cutthroat Trout | 1,000 | 1.14 in | report |
| July 20, 2022 | Cutthroat Trout | 1,003 | 1.25 in | report |
| June 9, 2022 | Brook Trout | 1,001 | 2.31 in | report |
| September 13, 2021 | Brook Trout | 994 | 3.1 in | report |
| August 11, 2021 | Cutthroat Trout | 1,000 | 2 in | report |
| August 5, 2019 | Cutthroat Trout | 1,000 | 1.21 in | report |
| June 27, 2019 | Brook Trout | 1,440 | 3 in | report |
| September 21, 2017 | Cutthroat Trout | 989 | 2 in | report |
| August 25, 2016 | Cutthroat Trout | 2,738 | 2.2 in | report |
| August 25, 2016 | Brook Trout | 1,400 | 6 in | report |
| July 16, 2015 | Cutthroat Trout | 1,008 | 1.05 in | report |
| July 15, 2015 | Brook Trout | 1,488 | 2.5 in | report |
| July 28, 2014 | Cutthroat Trout | 1,020 | 0.94 in | report |
| September 5, 2012 | Cutthroat Trout | 952 | 1.6 in | report |
| August 8, 2011 | Cutthroat Trout | 1,010 | 1.52 in | report |
Access and facts
- Nearest town
- Troy
Reached by the 1.3-mile Grouse Lake Trail #423 in the Kootenai National Forest's Bull Lake area: from US 2 near Troy, take Lake Creek Road south about 6.5 miles to the trailhead. Canoes and rafts must be carried in over a talus slope. Also fished through the ice in winter. No potable water.
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.
About Grouse Lake
Anglers should use extra caution when crossing the talus slope if packing in canoes and rafts, as the lake is accessed via trail. (visitmt.com, accessed October 5, 2026)
Drafted by AI from the cited sources and checked before publishing.
Nearest lakes
Public land at Grouse Lake
Grouse Lake is inside Kootenai National Forest.
Boundaries from Public Lands DB, part of the same network.
Common questions
What fish are at Grouse Lake?
Fishing Grouse Lake usually means Cutthroat Trout: Cutthroat Trout accounts for 11 of 17 plants on record, ahead of Brook Trout. Cutthroat Trout was last stocked August 26, 2024, averaging 1.5 in. Brook Trout was last stocked May 7, 2025, averaging 3.4 in.
When is Grouse Lake stocked?
Last stocked May 7, 2025. It is stocked about 1.1 times a year since 2011, most often in July and August. No plants recorded in 2013, 2018, and 2020.
How big are the fish stocked at Grouse Lake?
Stocked fish average 2.2 in. Cutthroat Trout average 1.5 in. Brook Trout average 3.4 in.
How do you get on Grouse Lake?
The nearest town is Troy. Reached by the 1.3-mile Grouse Lake Trail #423 in the Kootenai National Forest's Bull Lake area: from US 2 near Troy, take Lake Creek Road south about 6.5 miles to the trailhead. Canoes and rafts must be carried in over a talus slope. Also fished through the ice in winter. No potable water.
Which lakes near Grouse Lake were stocked more recently?
Troy Kids Pond (6.8 mi), Spar Lake (8 mi), Libby Pond (16.4 mi), and Triangle Pond (24.5 mi) were stocked more recently. Troy Kids Pond is also stocked with Cutthroat Trout, Spar Lake is also stocked with Cutthroat Trout, and Libby Pond is also stocked with Cutthroat Trout.