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About this water
Holter Reservoir is a reservoir in Montana. State records show it stocked 648 times between 2000 and 2025. The most-stocked species are rainbow trout and kokanee. 6,826,108 rainbow trout have gone in across 638 releases.
Stocking history
648 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Sep 17, 2025 | Rainbow Trout · Arlee | 12,929 | 7.7" | Big Springs Trout Hatchery |
| Sep 17, 2025 | Rainbow Trout · Arlee | 12,929 | 7.7" | Big Springs Trout Hatchery |
| Sep 17, 2025 | Rainbow Trout · Arlee | 12,950 | 7.6" | Big Springs Trout Hatchery |
| Sep 16, 2025 | Rainbow Trout · Arlee | 11,640 | 7.8" | Big Springs Trout Hatchery |
| Sep 16, 2025 | Rainbow Trout · Arlee | 12,192 | 7.7" | Big Springs Trout Hatchery |
| Sep 16, 2025 | Rainbow Trout · Arlee | 12,546 | 7.7" | Big Springs Trout Hatchery |
| Sep 15, 2025 | Rainbow Trout · Arlee | 12,275 | 7.7" | Big Springs Trout Hatchery |
| Sep 15, 2025 | Rainbow Trout · Arlee | 12,312 | 7.6" | Big Springs Trout Hatchery |
| Sep 15, 2025 | Rainbow Trout · Arlee | 12,264 | 7.6" | Big Springs Trout Hatchery |
| Jun 30, 2025 | Rainbow Trout · Eagle Lake | 5,661 | 8.8" | Big Springs Trout Hatchery |
| Jun 30, 2025 | Rainbow Trout · Eagle Lake | 9,971 | 8.3" | Big Springs Trout Hatchery |
| Jun 30, 2025 | Rainbow Trout · Eagle Lake | 8,688 | 8.6" | Big Springs Trout Hatchery |
Showing the 12 most recent of 648. Stocking records for Holter 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.
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