MT
Cook Reservoir 2
LakeMT
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About this water
Cook Reservoir 2 is a reservoir in Montana. State records show it stocked 27 times between 2000 and 2026. Every recorded release has been rainbow trout. 27,303 rainbow trout have gone in across 27 releases.
Stocking history
27 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| May 27, 2026 | Rainbow Trout · Arlee | 1,014 | 4.5" | Big Springs Trout Hatchery |
| Jun 4, 2025 | Rainbow Trout · Arlee | 999 | 5.0" | Big Springs Trout Hatchery |
| May 29, 2024 | Rainbow Trout · Arlee | 1,006 | 4.5" | Big Springs Trout Hatchery |
| Jun 1, 2023 | Rainbow Trout · Arlee | 1,013 | 4.6" | Big Springs Trout Hatchery |
| Jun 16, 2022 | Rainbow Trout · Arlee | 1,004 | 4.7" | Big Springs Trout Hatchery |
| Jun 11, 2021 | Rainbow Trout · Arlee | 996 | 5.2" | Big Springs Trout Hatchery |
| Jun 4, 2020 | Rainbow Trout · Arlee | 997 | 4.3" | Big Springs Trout Hatchery |
| May 29, 2019 | Rainbow Trout · Arlee | 1,001 | 4.5" | Big Springs Trout Hatchery |
| Jun 6, 2018 | Rainbow Trout · Arlee | 995 | 4.4" | Big Springs Trout Hatchery |
| May 15, 2017 | Rainbow Trout · Arlee | 1,053 | 3.6" | Big Springs Trout Hatchery |
| Jun 8, 2016 | Rainbow Trout · Arlee | 1,000 | 4.5" | Big Springs Trout Hatchery |
| May 27, 2015 | Rainbow Trout · Arlee | 1,001 | 4.3" | Big Springs Trout Hatchery |
Showing the 12 most recent of 27. Stocking records for Cook Reservoir 2 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.
