Last stocked
June 22, 2026
Plants on record
18
Since 2014
Species recorded
3
Average size
3.3 in
Elevation
2,933.4 ft
Access and facts
- Nearest town
- Fort Benton
Small (about 12-acre) reservoir 15 miles north of Fort Benton.
Sources: shore_notes , nearest_town , fishing_notes
How Leningtons Reservoir is stocked
The first plant of the year usually falls in the second week of July. In 2026 it was June 22, 2026, earlier than usual.
Fish at Leningtons Reservoir
Fishing Leningtons Reservoir is most likely to be for Largemouth Bass. Largemouth Bass accounts for 10 of 18 plants on record, ahead of Rainbow Trout and one more.
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 10 plants
- Plants
- 10 of 18
- Last stocked
- August 12, 2025
- Average length
- 1.8 in
Rainbow Trout 6 plants
- Plants
- 6 of 18
- Last stocked
- June 22, 2026
- Average length
- 5 in
Tiger Trout 2 plants
- Plants
- 2 of 18
- Last stocked
- October 16, 2025
- Average length
- 5.5 in
Fishing Leningtons Reservoir
Leningtons Reservoir is stocked annually with 2000 2" largemouth bass. Additionally, it is stocked biennially with 1000 5" rainbow trout.
Sources: myfwp.mt.gov
Fish stocked per year
- 3,0002014
- 4,0002015
- 2,0002016
- 2,0002017
- 2,5002018
- 2,6822019
- 3,0002020
- 2,0002021
- 1,0002022
- 2,0002023
- 2,0002024
- 3,1132025
- 1,0002026
Stocking history
Showing 15 of 18 plants Showing 18 plants
| 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 |
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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.