Largemouth Bass Stocked · 10 plants · last August 12, 2025 Best: dawn, dusk Last stocked August 12, 2025 · avg 1.8 in · 10 plants
Best: dawn, dusk
Largemouth Bass species guideLeningtons Reservoir fishing
Leningtons Reservoir fishing has Rainbow Trout, Largemouth Bass, and Tiger Trout on the stocking report. It is stocked about 1.4 times a year since 2014, most often in June and July. Species guides list dawn and dusk as the active times.
- Last stocked
- June 22, 2026
- · Rainbow Trout
- Plants on record
- 18
- Since 2014
- Species recorded
- 3
- Average size
- 3.3 in
- Elevation
- 2,933.4 ft
Fish at Leningtons Reservoir
Around the dates Leningtons Reservoir is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 74.5°F in July, 65.3°F in June, 71.6°F in August, 55.8°F in May. That is air temperature at these coordinates, not water temperature. Open-Meteo
Largemouth Bass Stocked · 10 plants · last August 12, 2025 Best: dawn, dusk 
Rainbow Trout Stocked · 6 plants · last June 22, 2026 Best: dawn, dusk 
Tiger Trout Stocked · 2 plants · last October 16, 2025 Best: dawn, dusk Leningtons Reservoir is stocked annually with 2000 2" largemouth bass. Additionally, it is stocked biennially with 1000 5" rainbow trout. (myfwp.mt.gov, accessed September 22, 2026)
Drafted by AI from the cited sources and checked before publishing.
How Leningtons Reservoir is stocked
Fish stocked in 2014
3,000
Fish stocked in 2015
4,000
Fish stocked in 2016
2,000
Fish stocked in 2017
2,000
Fish stocked in 2018
2,500
Fish stocked in 2019
2,682
Fish stocked in 2020
3,000
Fish stocked in 2021
2,000
Fish stocked in 2022
1,000
Fish stocked in 2023
2,000
Fish stocked in 2024
2,000
Fish stocked in 2025
3,113
Fish stocked in 2026
1,000
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| June 22, 2026 | Rainbow Trout | 1,000 | 5.94 in | report |
| October 16, 2025 | Tiger Trout | 863 | 6.85 in | report |
| August 12, 2025 | Largemouth Bass | 2,000 | 1.86 in | report |
| June 27, 2025 | Tiger Trout | 250 | 4.18 in | report |
| August 13, 2024 | Largemouth Bass | 2,000 | 1.35 in | report |
| July 27, 2023 | Largemouth Bass | 2,000 | 1.8 in | report |
| June 22, 2022 | Rainbow Trout | 1,000 | 5.75 in | report |
| July 22, 2021 | Largemouth Bass | 2,000 | 1.92 in | report |
| July 15, 2020 | Largemouth Bass | 2,000 | 0.77 in | report |
| June 3, 2020 | Rainbow Trout | 1,000 | 3.52 in | report |
| July 27, 2019 | Largemouth Bass | 2,682 | 1.55 in | report |
| July 26, 2018 | Largemouth Bass | 1,500 | 2.32 in | report |
| July 6, 2018 | Rainbow Trout | 1,000 | 5.1 in | report |
| August 2, 2017 | Largemouth Bass | 2,000 | 3.03 in | report |
| August 10, 2016 | Largemouth Bass | 2,000 | 1.62 in | report |
| August 12, 2015 | Largemouth Bass | 2,000 | 1.8 in | report |
| June 9, 2015 | Rainbow Trout | 2,000 | 5.37 in | report |
| May 14, 2014 | Rainbow Trout | 3,000 | 4.39 in | report |
Access and facts
- Nearest town
- Fort Benton
Small (about 12-acre) reservoir 15 miles north of Fort Benton.
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 Leningtons Reservoir?
Fishing Leningtons Reservoir usually means Largemouth Bass: Largemouth Bass accounts for 10 of 18 plants on record, ahead of Rainbow Trout and one more. Largemouth Bass was last stocked August 12, 2025, averaging 1.8 in. Rainbow Trout was last stocked June 22, 2026, averaging 5 in. Tiger Trout was last stocked October 16, 2025, averaging 5.5 in.
When is Leningtons Reservoir stocked?
Last stocked June 22, 2026. It is stocked about 1.4 times a year since 2014, most often in June and July.
How big are the fish stocked at Leningtons Reservoir?
Stocked fish average 3.3 in. Largemouth Bass average 1.8 in. Rainbow Trout average 5 in. Tiger Trout average 5.5 in.
How do you get on Leningtons Reservoir?
The nearest town is Fort Benton. Small (about 12-acre) reservoir 15 miles north of Fort Benton.