Tetrault Lake fishing

Fishing at Tetrault Lake has Rainbow Trout, Cutthroat Trout, Bluegill, Largemouth Bass, and Smallmouth Bass on the stocking report. It is stocked about 2.8 times a year since 2011, most often in April and May. Species guides list dawn and dusk for Rainbow Trout, Largemouth Bass, and Smallmouth Bass and dawn, day, and dusk for Bluegill.

Last stocked

May 6, 2026

Plants on record

44

Since 2011

Species recorded

2

Average size

7.8 in

Elevation

2,512.7 ft

Access and facts

Nearest town
Eureka
Boat ramp
Yes
Facilities
restrooms

FWP fishing access site 4 miles northwest of Eureka on Hwy 37 to mile marker 65, then 3.5 miles northeast on county road. Day-use only with a gravel boat ramp, a latrine, and a picnic area; no camping.

Sources: access , access , shore_notes , facilities , nearest_town , fishing_notes

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How Tetrault Lake is stocked

The first plant of the year usually falls in the first week of May. In 2026 it was April 7, 2026, earlier than usual.

Moran Lake (0.7 mi) and Swisher Lake (1.8 mi) were stocked more recently. Moran Lake is also stocked with Rainbow Trout and Swisher Lake is also stocked with Rainbow Trout.

Fish at Tetrault Lake

Fishing Tetrault Lake is most likely to be for Rainbow Trout. Rainbow Trout accounts for 39 of 44 plants on record, ahead of Cutthroat Trout.

Around the dates Tetrault Lake is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 44.1°F in April, 54.8°F in May, 62.3°F in June, 60.1°F in September. That is air temperature at these coordinates, not water temperature. Open-Meteo

Rainbow Trout 39 plants
Plants
39 of 44
Last stocked
May 6, 2026
Average length
8 in

Seasons and rigs are on the Rainbow Trout guide.

Cutthroat Trout 5 plants
Plants
5 of 44
Last stocked
April 23, 2013
Average length
6.7 in

Seasons and rigs are on the Cutthroat Trout guide.

Fishing Tetrault Lake

Tetrault Lake is a day use only area fishing access site, offering opportunities to catch Bluegill, Largemouth Bass, Rainbow Trout, and Smallmouth Bass. Anglers can utilize the available gravel/lake bottom boat ramp for access. Additionally, amenities such as a latrine and picnic area are provided at this fishing access site.

Sources: visitmt.com

Fish stocked per year

  • 18,4072011
  • 26,1212012
  • 14,2152013
  • 7,2002014
  • 8,7672015
  • 8,8512016
  • 8,0002017
  • 8,0002018
  • 8,0002019
  • 10,2312020
  • 1,2502021
  • 8,0512022
  • 9,0342023
  • 8,0002024
  • 8,0402025
  • 7,9242026

Stocking history

Showing 15 of 44 plants Showing 44 plants

Source: Montana Fish, Wildlife & Parks.
Date Species Quantity Avg. length Source
May 6, 2026 Rainbow Trout 7,478 3.26 in report
April 7, 2026 Rainbow Trout 446 7.65 in report
May 6, 2025 Rainbow Trout 8,040 2.92 in report
May 14, 2024 Rainbow Trout 7,500 3.25 in report
April 2, 2024 Rainbow Trout 500 7.37 in report
October 5, 2023 Rainbow Trout 1,000 4.65 in report
June 21, 2023 Rainbow Trout 5,874 3.6 in report
May 8, 2023 Rainbow Trout 2,160 7.03 in report
May 20, 2022 Rainbow Trout 8,051 3.68 in report
September 1, 2021 Rainbow Trout 484 12.74 in report
May 12, 2021 Rainbow Trout 766 8.67 in report
April 28, 2020 Rainbow Trout 10,231 3.53 in report
June 10, 2019 Rainbow Trout 8,000 3.05 in report
April 25, 2018 Rainbow Trout 8,000 3.44 in report
June 13, 2017 Rainbow Trout 8,000 3.95 in report
September 8, 2016 Rainbow Trout 1,600 4.86 in report
June 15, 2016 Rainbow Trout 7,251 3.77 in report
April 28, 2015 Rainbow Trout 8,767 3.73 in report
June 13, 2014 Rainbow Trout 7,200 3.97 in report
June 13, 2013 Rainbow Trout 100 19 in report
May 20, 2013 Rainbow Trout 8,800 4.02 in report
May 9, 2013 Rainbow Trout 34 8.26 in report
April 29, 2013 Rainbow Trout 75 19.5 in report
April 24, 2013 Rainbow Trout 100 19.5 in report
April 23, 2013 Cutthroat Trout 4,012 4.95 in report
March 15, 2013 Rainbow Trout 1,094 6.58 in report
September 21, 2012 Rainbow Trout 996 2.66 in report
September 20, 2012 Rainbow Trout 4,152 3.64 in report
June 18, 2012 Rainbow Trout 144 18.3 in report
June 18, 2012 Rainbow Trout 95 18.6 in report
April 26, 2012 Cutthroat Trout 3,596 5.43 in report
April 24, 2012 Rainbow Trout 8,018 3.82 in report
April 24, 2012 Rainbow Trout 8,018 3.82 in report
March 29, 2012 Rainbow Trout 1,102 8.16 in report
September 29, 2011 Rainbow Trout 1,097 5.1 in report
September 7, 2011 Rainbow Trout 2,198 4.53 in report
July 8, 2011 Cutthroat Trout 1,097 8.49 in report
June 16, 2011 Rainbow Trout 71 19.7 in report
May 27, 2011 Cutthroat Trout 1,100 8.93 in report
May 6, 2011 Cutthroat Trout 3,626 5.74 in report
May 3, 2011 Rainbow Trout 8,000 3.75 in report
April 26, 2011 Rainbow Trout 1,097 7.92 in report
April 22, 2011 Rainbow Trout 70 19.7 in report
April 11, 2011 Rainbow Trout 51 19.7 in report
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Species found here

Confirmed present independent of the stocking records above, not from a stocking event.

Species stocked here

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

Nearest lakes