About this water
Leningtons Reservoir is a reservoir in Montana. State records show it stocked 20 times between 2000 and 2025. The most-stocked species are largemouth bass, rainbow trout and tiger trout. 20,182 largemouth bass have gone in across 10 releases.
Stocking history
20 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Oct 16, 2025 | Tiger Trout(Brook X Brown hybrid) · Wyoming | 863 | 6.8" | Giant Springs Trout Hatchery |
| Aug 12, 2025 | Largemouth Bass · Miles City | 2,000 | 1.9" | Miles City Fish Hatchery |
| Jun 27, 2025 | Tiger Trout(Brook X Brown hybrid) · Wyoming | 250 | 4.2" | Giant Springs Trout Hatchery |
| Aug 13, 2024 | Largemouth Bass · Miles City | 2,000 | 1.4" | Miles City Fish Hatchery |
| Jul 27, 2023 | Largemouth Bass · Miles City | 2,000 | 1.8" | Miles City Fish Hatchery |
| Jun 22, 2022 | Rainbow Trout · Arlee | 1,000 | 5.8" | Giant Springs Trout Hatchery |
| Jul 22, 2021 | Largemouth Bass · Miles City | 2,000 | 1.9" | Miles City Fish Hatchery |
| Jul 15, 2020 | Largemouth Bass · Miles City | 2,000 | 0.8" | Miles City Fish Hatchery |
| Jun 3, 2020 | Rainbow Trout · Arlee | 1,000 | 3.5" | Giant Springs Trout Hatchery |
| Jul 27, 2019 | Largemouth Bass · Miles City | 2,682 | 1.6" | Miles City Fish Hatchery |
| Jul 26, 2018 | Largemouth Bass · Miles City | 1,500 | 2.3" | Miles City Fish Hatchery |
| Jul 6, 2018 | Rainbow Trout · Arlee | 1,000 | 5.1" | Giant Springs Trout Hatchery |
Showing the 12 most recent of 20. Stocking records for Leningtons Reservoir published by Montana Fish, Wildlife & Parks. Stocking does not guarantee fish are present. Check current regulations and access before you go. See the full Montana stocking report.


