Montana stocking report
Upper Hasler Pond
7 records Last stocked: May 27, 2025
The short answer
Upper Hasler Pond was last stocked on May 27, 2025: 504 Rainbow Trout (8.370000000000001 in avg).
Location map
Upper Hasler Pond location context
Upper Hasler PondFergus County Holgate ReservoirFergus County Lower Frog PondFergus County Upper Frog PondFergus County Olsen PondFergus County
Pins use the finest location published with the stocking record. County-level pins show area context, not an exact access point; confirm access and directions with the official agency source.
Agency records
Full stocking history
| Date | Species | Fish | Size | Hatchery |
|---|---|---|---|---|
| May 27, 2025 | Rainbow Trout | 504 | 8.370000000000001 in avg | Big Springs Trout Hatchery |
| September 15, 2023 | Rainbow Trout | 501 | 11.08 in avg | Big Springs Trout Hatchery |
| October 4, 2021 | Rainbow Trout | 500 | 12.700000000000001 in avg | Big Springs Trout Hatchery |
| May 16, 2019 | Rainbow Trout | 500 | 8.16 in avg | Big Springs Trout Hatchery |
| May 10, 2017 | Rainbow Trout | 200 | 7.7 in avg | Big Springs Trout Hatchery |
| April 22, 2016 | Rainbow Trout | 201 | 6.88 in avg | Big Springs Trout Hatchery |
| April 30, 2015 | Rainbow Trout | 202 | 7.22 in avg | Big Springs Trout Hatchery |
Records shown exactly as published by Montana Fish, Wildlife & Parks. An event missing here does not mean the water was not stocked - some plants go unreported or are published elsewhere.
Data source: Montana Fish, Wildlife & Parks. Last updated: .
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