Little Mcgregor Lake fishing

Fishing at Little Mcgregor Lake has Rainbow Trout and Brook Trout on the stocking report. 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.

Last stocked

June 8, 2026

Plants on record

30

Since 2011

Species recorded

2

Average size

3.4 in

Elevation

3,947.1 ft

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How Little Mcgregor Lake is stocked

The first plant of the year usually falls in the fourth week of May. In 2026 it was May 8, 2026, earlier than usual.

Lower Thompson Lake (9.6 mi) was stocked more recently. Lower Thompson Lake is also stocked with Rainbow Trout.

Fish at Little Mcgregor Lake

Fishing Little Mcgregor Lake is most likely to be for Rainbow Trout. Rainbow Trout accounts for 19 of 30 plants on record, ahead of Brook Trout.

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 19 plants
Plants
19 of 30
Last stocked
June 8, 2026
Average length
4 in

Seasons and rigs are on the Rainbow Trout guide.

Brook Trout 11 plants
Plants
11 of 30
Last stocked
May 8, 2026
Average length
2.5 in

Seasons and rigs are on the Brook Trout guide.

Fish stocked per year

  • 1,9832011
  • 3,2822012
  • 1,1582013
  • 1,0002014
  • 7,1212015
  • 7,6782016
  • 9,1662017
  • 7,0002018
  • 7,0002019
  • 8,0002020
  • 6,4002021
  • 7,0002022
  • 1,0002023
  • 1,5002024
  • 7,0002025
  • 6,9242026

Stocking history

Showing 15 of 30 plants Showing 30 plants

Source: Montana Fish, Wildlife & Parks.
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 1,000 3.96 in report
June 25, 2024 Rainbow Trout 500 3.57 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
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Species stocked here

Depth-by-season, top lures, and bait notes for each species stocked here are on its own species guide, linked above.

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