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About this water
Heart Lake is a lake in Montana. State records show it stocked 17 times between 2000 and 2025. The most-stocked species are westslope cutthroat trout, golden trout and arctic grayling. 14,775 westslope cutthroat trout have gone in across 10 releases.
Stocking history
17 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Sep 17, 2025 | Westslope Cutthroat Trout · Anaconda | 300 | 2.2" | Washoe Park Trout Hatchery |
| Sep 30, 2024 | Golden Trout · Sylvan Lake | 1,000 | 1.5" | Yellowstone River Trout Hatchery |
| Oct 19, 2022 | Westslope Cutthroat Trout · Anaconda | 4,200 | 2.3" | Washoe Park Trout Hatchery |
| Jun 8, 2021 | Arctic Grayling · Rogers Lake | 4,500 | 1.0" | Flathead Lake Salmon Hatchery |
| Jul 31, 2019 | Westslope Cutthroat Trout · Anaconda | 300 | 1.9" | Washoe Park Trout Hatchery |
| Sep 12, 2017 | Golden Trout · Sylvan Lake | 2,000 | 1.1" | Yellowstone River Trout Hatchery |
| Aug 16, 2016 | Westslope Cutthroat Trout · Anaconda | 2,000 | 1.3" | Washoe Park Trout Hatchery |
| Jul 29, 2014 | Westslope Cutthroat Trout · Anaconda | 300 | 1.8" | Washoe Park Trout Hatchery |
| Jun 5, 2012 | Arctic Grayling · Rogers Lake | 4,000 | 1.0" | Flathead Lake Salmon Hatchery |
| Sep 12, 2011 | Golden Trout · Sylvan Lake | 1,000 | 0.9" | Yellowstone River Trout Hatchery |
| Aug 31, 2011 | Westslope Cutthroat Trout · Anaconda | 2,000 | 2.2" | Washoe Park Trout Hatchery |
| Aug 7, 2007 | Westslope Cutthroat Trout · Anaconda | 300 | 1.4" | Washoe Park Trout Hatchery |
Showing the 12 most recent of 17. Stocking records for Heart 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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