Blaine County, MT
Grasshopper Reservoir
About this water
Grasshopper Reservoir is a reservoir in Blaine County, Montana. State records show it stocked 44 times between 2000 and 2025. The most-stocked species are rainbow trout and tiger muskie. 111,820 rainbow trout have gone in across 42 releases.
Stocking history
44 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Sep 23, 2025 | Rainbow Trout · Eagle Lake | 2,597 | 7.3" | Big Springs Trout Hatchery |
| Apr 30, 2025 | Rainbow Trout · Arlee | 4,000 | 2.9" | Fort Peck Hatchery |
| May 28, 2024 | Rainbow Trout · Arlee | 4,000 | 3.2" | Fort Peck Hatchery |
| Sep 13, 2023 | Rainbow Trout · Eagle Lake | 3,056 | 5.7" | Big Springs Trout Hatchery |
| May 30, 2023 | Rainbow Trout · Arlee | 4,263 | 2.7" | Fort Peck Hatchery |
| May 25, 2022 | Rainbow Trout · Arlee | 4,000 | 3.3" | Fort Peck Hatchery |
| Oct 1, 2021 | Rainbow Trout · Eagle Lake | 3,060 | 7.2" | Big Springs Trout Hatchery |
| Jun 1, 2021 | Rainbow Trout · Arlee | 4,000 | 3.1" | Fort Peck Hatchery |
| May 6, 2020 | Rainbow Trout · Arlee | 4,261 | 3.1" | Fort Peck Hatchery |
| Sep 23, 2019 | Rainbow Trout · Eagle Lake | 1,017 | 7.2" | Big Springs Trout Hatchery |
| Jul 8, 2019 | Tiger Muskie (Northern X Muskie) · Nebraska | 500 | 4.9" | Miles City Fish Hatchery |
| May 13, 2019 | Rainbow Trout · Arlee | 2,500 | 2.6" | Fort Peck Hatchery |
Showing the 12 most recent of 44. Stocking records for Grasshopper 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.


