Judith Basin County, MT
Ackley Lake
ReservoirJudith Basin County, MT
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About this water
Ackley Lake is a lake in Judith Basin County, Montana. State records show it stocked 75 times between 2000 and 2026. The most-stocked species are rainbow trout, tiger muskie and brown trout. 1,155,773 rainbow trout have gone in across 70 releases.
Stocking history
75 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| May 20, 2026 | Rainbow Trout · Arlee | 14,670 | 4.2" | Big Springs Trout Hatchery |
| May 20, 2026 | Rainbow Trout · Eagle Lake | 10,300 | 2.8" | Big Springs Trout Hatchery |
| May 13, 2025 | Rainbow Trout · Arlee | 15,346 | 4.3" | Big Springs Trout Hatchery |
| May 13, 2025 | Rainbow Trout · Eagle Lake | 10,017 | 3.0" | Big Springs Trout Hatchery |
| Nov 19, 2024 | Rainbow Trout · Arlee X Erwin - Ennis | 4,683 | 2.3" | Big Springs Trout Hatchery |
| Jul 10, 2024 | Rainbow Trout · Arlee X Erwin - Ennis | 1,317 | 8.1" | Big Springs Trout Hatchery |
| May 14, 2024 | Rainbow Trout · Arlee | 15,036 | 4.3" | Big Springs Trout Hatchery |
| May 14, 2024 | Brown Trout · Wyoming | 2,518 | 3.5" | Big Springs Trout Hatchery |
| May 14, 2024 | Rainbow Trout · Eagle Lake | 10,180 | 2.8" | Big Springs Trout Hatchery |
| Jul 14, 2023 | Tiger Muskie (Northern X Muskie) · Nebraska | 200 | 10.9" | Miles City Fish Hatchery |
| May 22, 2023 | Rainbow Trout · Arlee | 14,839 | 4.4" | Big Springs Trout Hatchery |
| May 22, 2023 | Rainbow Trout · Eagle Lake | 10,000 | 3.3" | Big Springs Trout Hatchery |
Showing the 12 most recent of 75. Stocking records for Ackley Lake 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.
