Cutthroat Trout Stocked · 16 plants · last May 21, 2026 Last stocked May 21, 2026 · avg 4.9 in · 16 plants
Cutthroat Trout species guideTunnel Lake fishing
Tunnel Lake fishing has Cutthroat Trout and Arctic Grayling on the stocking report. Also recorded: White Sucker. It is stocked about 1.1 times a year since 2011, most often in June and July.
- Last stocked
- May 21, 2026
- · Cutthroat Trout
- Plants on record
- 17
- Since 2011
- Species stocked
- 2 (+1 also recorded)
- Average size
- 4.7 in
- Elevation
- 4,328.6 ft
Fish at Tunnel Lake
Around the dates Tunnel Lake is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 58.6°F in June, 67.2°F in July, 49.8°F in May, 65.2°F in August. That is air temperature at these coordinates, not water temperature. Open-Meteo
Cutthroat Trout Stocked · 16 plants · last May 21, 2026 
Arctic Grayling Stocked · 1 plant · last August 29, 2022 Last stocked August 29, 2022 · avg 1.5 in · 1 plant
Arctic Grayling species guide White Sucker Confirmed present
How Tunnel Lake is stocked
Clemons Coulee Reservoir (11.4 mi), Nilan Reservoir (12 mi), and Crystal Lake (17.8 mi) were stocked more recently. Crystal Lake is also stocked with Cutthroat Trout.
Fish stocked in 2011
2,000
Fish stocked in 2012
1,800
Fish stocked in 2013
2,000
Fish stocked in 2014
2,000
Fish stocked in 2015
2,000
Fish stocked in 2016
2,000
Fish stocked in 2017
2,000
Fish stocked in 2018
2,000
Fish stocked in 2019
2,000
Fish stocked in 2020
2,000
Fish stocked in 2021
2,000
Fish stocked in 2022
3,069
Fish stocked in 2023
2,000
Fish stocked in 2024
2,000
Fish stocked in 2025
1,980
Fish stocked in 2026
2,000
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| May 21, 2026 | Cutthroat Trout | 2,000 | 4.73 in | report |
| June 3, 2025 | Cutthroat Trout | 1,980 | 4.42 in | report |
| June 19, 2024 | Cutthroat Trout | 2,000 | 3.85 in | report |
| July 4, 2023 | Cutthroat Trout | 2,000 | 5.06 in | report |
| August 29, 2022 | Arctic Grayling | 1,069 | 1.5 in | report |
| June 15, 2022 | Cutthroat Trout | 2,000 | 4.97 in | report |
| June 8, 2021 | Cutthroat Trout | 2,000 | 4.81 in | report |
| June 3, 2020 | Cutthroat Trout | 2,000 | 5.06 in | report |
| June 19, 2019 | Cutthroat Trout | 2,000 | 5.02 in | report |
| July 3, 2018 | Cutthroat Trout | 2,000 | 5.21 in | report |
| June 7, 2017 | Cutthroat Trout | 2,000 | 5.23 in | report |
| June 15, 2016 | Cutthroat Trout | 2,000 | 4.97 in | report |
| June 19, 2015 | Cutthroat Trout | 2,000 | 4.46 in | report |
| June 12, 2014 | Cutthroat Trout | 2,000 | 4.64 in | report |
| June 27, 2013 | Cutthroat Trout | 2,000 | 5.69 in | report |
| June 13, 2012 | Cutthroat Trout | 1,800 | 5.87 in | report |
| June 27, 2011 | Cutthroat Trout | 2,000 | 5.06 in | report |
Access and facts
- Facilities
- camping
A 14-acre lake on Bureau of Reclamation land off the Pishkun Canal Road with drive-up access and primitive camping. From Choteau take US 287 south 1 mile, Bellview Rd 5.4 miles, then Pishkun Rd; pass Pishkun Reservoir and head south on the canal road.
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 Tunnel Lake?
Fishing Tunnel Lake usually means Cutthroat Trout: Cutthroat Trout accounts for 16 of 17 plants on record, ahead of Arctic Grayling. Cutthroat Trout was last stocked May 21, 2026, averaging 4.9 in. Arctic Grayling was last stocked August 29, 2022, averaging 1.5 in. White Sucker is recorded here outside the stocking reports.
When is Tunnel Lake stocked?
Last stocked May 21, 2026. It is stocked about 1.1 times a year since 2011, most often in June and July.
How big are the fish stocked at Tunnel Lake?
Stocked fish average 4.7 in. Cutthroat Trout average 4.9 in. Arctic Grayling average 1.5 in.
How do you get on Tunnel Lake?
Facilities include camping. A 14-acre lake on Bureau of Reclamation land off the Pishkun Canal Road with drive-up access and primitive camping. From Choteau take US 287 south 1 mile, Bellview Rd 5.4 miles, then Pishkun Rd; pass Pishkun Reservoir and head south on the canal road.
Which lakes near Tunnel Lake were stocked more recently?
Clemons Coulee Reservoir (11.4 mi), Nilan Reservoir (12 mi), and Crystal Lake (17.8 mi) were stocked more recently. Crystal Lake is also stocked with Cutthroat Trout.