Leon Lake fishing

Fishing at Leon Lake has Cutthroat Trout and Rainbow Trout on the stocking report. It is stocked about 1.2 times a year since 2011, most often in June and August. Species guides list dawn and dusk as the active times.

Last stocked

June 8, 2026

Plants on record

19

Since 2011

Species recorded

2

Average size

3.3 in

Elevation

3,344.9 ft

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How Leon Lake is stocked

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

Lower Thompson Lake (8 mi) was stocked more recently. Lower Thompson Lake is also stocked with Rainbow Trout.

Fish at Leon Lake

Fishing Leon Lake is most likely to be for Rainbow Trout. Rainbow Trout accounts for 14 of 19 plants on record, ahead of Cutthroat Trout.

Around the dates Leon Lake is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 59.4°F in June, 67.4°F in August, 51.7°F in May, 68.7°F in July. That is air temperature at these coordinates, not water temperature. Open-Meteo

Rainbow Trout 14 plants
Plants
14 of 19
Last stocked
June 8, 2026
Average length
4 in

Seasons and rigs are on the Rainbow Trout guide.

Cutthroat Trout 5 plants
Plants
5 of 19
Last stocked
July 10, 2019
Average length
1.6 in

Seasons and rigs are on the Cutthroat Trout guide.

Fish stocked per year

  • 2,8822011
  • 3,0042012
  • 2,7042013
  • 2,5002014
  • 2,2502015
  • 2,5002016
  • 5,2002017
  • 2,5002018
  • 2,5002019
  • 3,5002020
  • 2,5002021
  • 2,5002022
  • 2,5002023
  • 2,5002024
  • 2,5002025
  • 2,4362026

Stocking history

Showing 15 of 19 plants Showing 19 plants

Source: Montana Fish, Wildlife & Parks.
Date Species Quantity Avg. length Source
June 8, 2026 Rainbow Trout 2,436 3.9 in report
June 19, 2025 Rainbow Trout 2,500 2.77 in report
June 25, 2024 Rainbow Trout 2,500 3.96 in report
June 23, 2023 Rainbow Trout 2,500 3.6 in report
June 20, 2022 Rainbow Trout 2,500 4.04 in report
June 9, 2021 Rainbow Trout 2,500 3.38 in report
May 19, 2020 Rainbow Trout 3,500 3.87 in report
July 10, 2019 Cutthroat Trout 2,500 1.5 in report
June 5, 2018 Rainbow Trout 2,500 4.16 in report
August 17, 2017 Cutthroat Trout 5,200 1.24 in report
September 8, 2016 Rainbow Trout 200 4.86 in report
June 8, 2016 Rainbow Trout 2,300 3.64 in report
August 27, 2015 Cutthroat Trout 2,250 1.65 in report
May 27, 2014 Rainbow Trout 2,500 3.62 in report
August 26, 2013 Cutthroat Trout 2,704 2.03 in report
June 21, 2012 Rainbow Trout 2,511 4.64 in report
June 21, 2012 Rainbow Trout 423 4.64 in report
June 21, 2012 Rainbow Trout 70 4.64 in report
August 30, 2011 Cutthroat Trout 2,882 1.5 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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