Rainbow Trout Stocked · 19 plants · last June 8, 2026 Best: dawn, dusk Little Mcgregor Lake fishing
Little Mcgregor Lake fishing has Rainbow Trout and Brook Trout on the stocking report. Also recorded: Westslope Cutthroat Trout and Yellow Perch. It is stocked about 1.9 times 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 and Yellow Perch.
- Last stocked
- June 8, 2026
- · Rainbow Trout
- Plants on record
- 30
- Since 2011
- Species stocked
- 2 (+2 also recorded)
- Average size
- 3.4 in
- Elevation
- 3,947.1 ft
Fish at Little Mcgregor Lake
Around the dates Little Mcgregor Lake is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 58.3°F in June, 50.6°F in May, 39.5°F in April, 42.5°F in October. That is air temperature at these coordinates, not water temperature. Open-Meteo
Rainbow Trout Stocked · 19 plants · last June 8, 2026 Best: dawn, dusk 
Brook Trout Stocked · 11 plants · last May 8, 2026 Best: dawn, day, dusk 
Westslope Cutthroat Trout Confirmed present 
Yellow Perch Confirmed present Best: dawn, day, dusk Best: dawn, day, dusk
Yellow Perch species guideHow Little Mcgregor Lake is stocked
Lower Thompson Lake (9.6 mi) was stocked more recently. Lower Thompson Lake is also stocked with Rainbow Trout.
Fish stocked in 2011
1,983
Fish stocked in 2012
3,282
Fish stocked in 2013
1,158
Fish stocked in 2014
1,000
Fish stocked in 2015
7,121
Fish stocked in 2016
7,678
Fish stocked in 2017
9,166
Fish stocked in 2018
7,000
Fish stocked in 2019
7,000
Fish stocked in 2020
8,000
Fish stocked in 2021
6,400
Fish stocked in 2022
7,000
Fish stocked in 2023
1,000
Fish stocked in 2024
1,500
Fish stocked in 2025
7,000
Fish stocked in 2026
6,924
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| June 8, 2026 | Rainbow Trout | 924 | 3.9 in | report |
| May 8, 2026 | Brook Trout | 6,000 | 3.46 in | report |
| June 19, 2025 | Rainbow Trout | 1,000 | 2.77 in | report |
| April 27, 2025 | Brook Trout | 6,000 | 3 in | report |
| June 25, 2024 | Rainbow Trout | 500 | 3.57 in | report |
| June 25, 2024 | Rainbow Trout | 1,000 | 3.96 in | report |
| June 23, 2023 | Rainbow Trout | 1,000 | 3.6 in | report |
| June 20, 2022 | Rainbow Trout | 1,000 | 4.04 in | report |
| June 6, 2022 | Brook Trout | 6,000 | 2.61 in | report |
| June 9, 2021 | Rainbow Trout | 1,000 | 3.38 in | report |
| May 21, 2021 | Brook Trout | 5,400 | 2.5 in | report |
| June 17, 2020 | Brook Trout | 6,000 | 3 in | report |
| May 20, 2020 | Rainbow Trout | 2,000 | 3.87 in | report |
| June 28, 2019 | Brook Trout | 6,000 | 3 in | report |
| June 25, 2019 | Rainbow Trout | 1,000 | 4.26 in | report |
| June 5, 2018 | Rainbow Trout | 1,000 | 4.16 in | report |
| June 1, 2018 | Brook Trout | 6,000 | 2.5 in | report |
| October 29, 2017 | Brook Trout | 2,128 | 2 in | report |
| June 20, 2017 | Rainbow Trout | 1,000 | 3.95 in | report |
| May 11, 2017 | Brook Trout | 6,038 | 1.71 in | report |
| June 8, 2016 | Rainbow Trout | 1,000 | 3.64 in | report |
| April 29, 2016 | Brook Trout | 6,678 | 2 in | report |
| May 15, 2015 | Brook Trout | 6,000 | 2 in | report |
| May 14, 2015 | Rainbow Trout | 1,121 | 3.92 in | report |
| May 27, 2014 | Rainbow Trout | 1,000 | 3.62 in | report |
| May 22, 2013 | Rainbow Trout | 1,158 | 4.02 in | report |
| September 25, 2012 | Rainbow Trout | 2,200 | 5.49 in | report |
| June 27, 2012 | Rainbow Trout | 1,082 | 3.59 in | report |
| October 11, 2011 | Rainbow Trout | 983 | 6 in | report |
| June 21, 2011 | Rainbow Trout | 1,000 | 3.63 in | report |
Access and facts
35-acre lake inside Thompson Chain of Lakes State Park, which strings along US Hwy 2 halfway between Kalispell and Libby. The park gives shoreline access, and FWP lists a concrete boat ramp at Little McGregor Lake. Park roads are primitive and not recommended for motor homes or large trailers.
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
Common questions
What fish are at Little Mcgregor Lake?
Fishing Little Mcgregor Lake usually means Rainbow Trout: Rainbow Trout accounts for 19 of 30 plants on record, ahead of Brook Trout. Rainbow Trout was last stocked June 8, 2026, averaging 4 in. Brook Trout was last stocked May 8, 2026, averaging 2.5 in. Westslope Cutthroat Trout and Yellow Perch are recorded here outside the stocking reports.
When is Little Mcgregor Lake stocked?
Last stocked June 8, 2026. It is stocked about 1.9 times a year since 2011, most often in May and June.
How big are the fish stocked at Little Mcgregor Lake?
Stocked fish average 3.4 in. Rainbow Trout average 4 in. Brook Trout average 2.5 in.
How do you get on Little Mcgregor Lake?
35-acre lake inside Thompson Chain of Lakes State Park, which strings along US Hwy 2 halfway between Kalispell and Libby. The park gives shoreline access, and FWP lists a concrete boat ramp at Little McGregor Lake. Park roads are primitive and not recommended for motor homes or large trailers.
Which lakes near Little Mcgregor Lake were stocked more recently?
Lower Thompson Lake (9.6 mi) was stocked more recently. Lower Thompson Lake is also stocked with Rainbow Trout.