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About this water
Hauser Reservoir is a reservoir in Montana. State records show it stocked 447 times between 2000 and 2026. The most-stocked species are rainbow trout and kokanee. 3,861,276 rainbow trout have gone in across 402 releases.
Boat access nearby
One mapped launch sits within 2 miles of Hauser Reservoir. Ramp data comes from the USGS national boat-ramp inventory.
- York BridgeHauser ReservoirPublic
Stocking history
447 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Apr 29, 2026 | Kokanee · Lake Mary Ronan | 20,000 | 3.4" | Giant Springs Trout Hatchery |
| Oct 9, 2025 | Rainbow Trout · Arlee | 6,656 | 8.9" | Giant Springs Trout Hatchery |
| Oct 9, 2025 | Rainbow Trout · Arlee | 6,656 | 8.9" | Giant Springs Trout Hatchery |
| Oct 7, 2025 | Rainbow Trout · Arlee | 7,030 | 8.7" | Giant Springs Trout Hatchery |
| Oct 6, 2025 | Rainbow Trout · Arlee | 7,080 | 8.7" | Giant Springs Trout Hatchery |
| Oct 6, 2025 | Rainbow Trout · Arlee | 7,196 | 8.7" | Giant Springs Trout Hatchery |
| Oct 3, 2025 | Rainbow Trout · Arlee | 6,884 | 8.8" | Giant Springs Trout Hatchery |
| Oct 2, 2025 | Rainbow Trout · Arlee | 6,594 | 8.9" | Giant Springs Trout Hatchery |
| Oct 2, 2025 | Rainbow Trout · Arlee | 7,325 | 8.6" | Giant Springs Trout Hatchery |
| Oct 1, 2025 | Rainbow Trout · Arlee | 7,509 | 8.6" | Giant Springs Trout Hatchery |
| Sep 30, 2025 | Rainbow Trout · Arlee | 7,842 | 8.4" | Giant Springs Trout Hatchery |
| Sep 29, 2025 | Rainbow Trout · Arlee | 7,750 | 8.5" | Giant Springs Trout Hatchery |
Showing the 12 most recent of 447. Stocking records for Hauser 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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