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About this water
Hidden Lake is a lake in Montana. State records show it stocked 39 times between 2000 and 2025. The most-stocked species are westslope cutthroat trout, rainbow trout and yellowstone cutthroat trout. 26,535 westslope cutthroat trout have gone in across 34 releases.
Stocking history
39 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Jun 5, 2025 | Westslope Cutthroat Trout · Anaconda | 800 | 4.6" | Washoe Park Trout Hatchery |
| Jun 12, 2024 | Westslope Cutthroat Trout · Anaconda | 636 | 3.8" | Washoe Park Trout Hatchery |
| Jun 7, 2023 | Westslope Cutthroat Trout · Anaconda | 1,003 | 5.5" | Washoe Park Trout Hatchery |
| Jun 7, 2023 | Westslope Cutthroat Trout · Anaconda | 500 | 8.4" | Washoe Park Trout Hatchery |
| Jun 23, 2022 | Westslope Cutthroat Trout · Anaconda | 1,000 | 5.0" | Washoe Park Trout Hatchery |
| Jun 2, 2021 | Westslope Cutthroat Trout · Anaconda | 1,000 | 5.7" | Washoe Park Trout Hatchery |
| Jun 2, 2021 | Westslope Cutthroat Trout · Anaconda | 500 | 9.6" | Washoe Park Trout Hatchery |
| Jul 30, 2019 | Yellowstone Cutthroat Trout · Yellowstone Basin-Big Timber | 1,000 | 2.7" | Yellowstone River Trout Hatchery |
| Jun 20, 2019 | Westslope Cutthroat Trout · Anaconda | 600 | 5.0" | Washoe Park Trout Hatchery |
| Oct 23, 2018 | Westslope Cutthroat Trout · Anaconda | 800 | 6.7" | Washoe Park Trout Hatchery |
| Jul 24, 2018 | Westslope Cutthroat Trout · Anaconda | 999 | 1.8" | Washoe Park Trout Hatchery |
| Jun 24, 2017 | Westslope Cutthroat Trout · Anaconda | 760 | 5.3" | Washoe Park Trout Hatchery |
Showing the 12 most recent of 39. Stocking records for Hidden 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.
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