Judith Basin County, MT
Ackley Lake
Around here
Around Ackley Lake
Data Source: Recreation.gov · Public land: USGS PAD-US
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.
Boat access nearby
One mapped launch sits within 2 miles of Ackley Lake. Ramp data comes from the USGS national boat-ramp inventory.
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.
Made to print
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This water as an art print: the shoreline, the rivers that feed it and the country around it, drawn from real elevation and USGS water data. Frame it tighter or wider before you print. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
