Blue Lake fishing

Blue Lake fishing has Rainbow Trout, Cutthroat Trout, and Brook Trout on the stocking report. It is stocked about 2.4 times a year since 2011, most often in May and September. Species guides list dawn and dusk for Rainbow Trout and dawn, day, and dusk for Brook Trout.

AI-generated illustration, not a photo of this lake
Last stocked
May 8, 2026
· Brook Trout
Plants on record
38
Since 2011
Species recorded
3
Average size
3.5 in
Elevation
3,022.8 ft

Fish at Blue Lake

3 stocked · 0 confirmed present

Around the dates Blue Lake is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 59.7°F in September, 52.5°F in May, 70.1°F in July, 60.7°F in June. That is air temperature at these coordinates, not water temperature. Open-Meteo

Rainbow Trout Stocked · 18 plants · last May 7, 2026 Best: dawn, dusk

Last stocked May 7, 2026 · avg 4.7 in · 18 plants

Best: dawn, dusk

Rainbow Trout species guide
Brook Trout Stocked · 10 plants · last May 8, 2026 Best: dawn, day, dusk

Last stocked May 8, 2026 · avg 2.7 in · 10 plants

Best: dawn, day, dusk

Brook Trout species guide

How Blue Lake is stocked

Source: Montana Fish, Wildlife & Parks.

No plants recorded in 2024.

Fish stocked in 2011

3,149

Fish stocked in 2012

1,636

Fish stocked in 2013

2,309

Fish stocked in 2014

1,353

Fish stocked in 2015

2,869

Fish stocked in 2016

2,659

Fish stocked in 2017

3,898

Fish stocked in 2018

3,640

Fish stocked in 2019

3,107

Fish stocked in 2020

2,648

Fish stocked in 2021

4,169

Fish stocked in 2022

2,652

Fish stocked in 2023

2,152

Fish stocked in 2025

4,028

Fish stocked in 2026

2,582

Stocking history

Source: Montana Fish, Wildlife & Parks.
Date Species Quantity Avg. length Source
May 8, 2026Brook Trout1,0003.46 inreport
May 7, 2026Rainbow Trout1,5823.26 inreport
June 25, 2025Cutthroat Trout1,0202.04 inreport
May 7, 2025Rainbow Trout2,0082.92 inreport
May 7, 2025Brook Trout1,0003.43 inreport
September 18, 2023Rainbow Trout1,6524.31 inreport
July 14, 2023Cutthroat Trout5001.14 inreport
September 12, 2022Rainbow Trout1,6534.19 inreport
April 29, 2022Brook Trout9991.88 inreport
September 7, 2021Rainbow Trout1,6493.93 inreport
July 27, 2021Cutthroat Trout1,0202.66 inreport
July 14, 2021Cutthroat Trout5002 inreport
May 18, 2021Brook Trout1,0002.75 inreport
September 29, 2020Rainbow Trout1,6484.23 inreport
September 9, 2020Brook Trout1,0004 inreport
September 24, 2019Rainbow Trout1,6494.18 inreport
July 20, 2019Cutthroat Trout5001.21 inreport
June 27, 2019Brook Trout9583 inreport
September 18, 2018Rainbow Trout1,6514.17 inreport
August 28, 2018Cutthroat Trout1,0003.15 inreport
May 31, 2018Brook Trout9892.5 inreport
September 19, 2017Rainbow Trout1,5004.31 inreport
August 12, 2017Cutthroat Trout5002 inreport
July 24, 2017Cutthroat Trout9002.3 inreport
June 29, 2017Brook Trout9982.35 inreport
September 22, 2016Rainbow Trout1,6484.21 inreport
May 19, 2016Brook Trout1,0111.97 inreport
September 8, 2015Rainbow Trout1,6523.21 inreport
June 10, 2015Brook Trout1,2172 inreport
September 19, 2014Rainbow Trout1,3532.48 inreport
July 24, 2013Cutthroat Trout8002.8 inreport
July 17, 2013Rainbow Trout1,5094.45 inreport
June 20, 2012Rainbow Trout5029.17 inreport
May 8, 2012Rainbow Trout1,1348.71 inreport
September 28, 2011Rainbow Trout1,0145.28 inreport
August 9, 2011Cutthroat Trout5002 inreport
July 6, 2011Rainbow Trout1,1153.43 inreport
May 17, 2011Rainbow Trout5208.32 inreport

Access and facts

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Advisories, closures, regulations and water conditions change. Check the Montana Fish, Wildlife & Parks before you go.

Nearest lakes

Pilgrim Lake 1 5.8 mi last stocked August 10, 2017 Wildcat Lake 6.3 mi last stocked July 20, 2022 Clayton Lake 7.4 mi last stocked August 4, 2024 Handkerchief Lake 7.8 mi last stocked September 20, 2024 Ashley Creek 10.9 mi last stocked September 4, 2012

Common questions

What fish are at Blue Lake?

Fishing Blue Lake usually means Rainbow Trout: Rainbow Trout accounts for 18 of 38 plants on record, ahead of Brook Trout and one more. Rainbow Trout was last stocked May 7, 2026, averaging 4.7 in. Brook Trout was last stocked May 8, 2026, averaging 2.7 in. Cutthroat Trout was last stocked June 25, 2025, averaging 2.1 in.

When is Blue Lake stocked?

Last stocked May 8, 2026. It is stocked about 2.4 times a year since 2011, most often in May and September. No plants recorded in 2024.

How big are the fish stocked at Blue Lake?

Stocked fish average 3.5 in. Rainbow Trout average 4.7 in. Brook Trout average 2.7 in. Cutthroat Trout average 2.1 in.