MT
Flinstone Reservoir
LakeMT
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About this water
Flinstone Reservoir is a reservoir in Montana. State records show it stocked 14 times between 2013 and 2025. The most-stocked species are rainbow trout and largemouth bass. 12,231 rainbow trout have gone in across 13 releases.
Stocking history
14 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| May 29, 2025 | Rainbow Trout · Arlee X Erwin - Ennis | 1,000 | 7.0" | Fort Peck Hatchery |
| Jul 16, 2024 | Rainbow Trout · Arlee X Erwin - Ennis | 1,000 | 7.2" | Fort Peck Hatchery |
| Jul 19, 2023 | Rainbow Trout · Arlee X Erwin - Ennis | 1,029 | 6.7" | Fort Peck Hatchery |
| May 18, 2022 | Rainbow Trout · Arlee X Erwin - Ennis | 1,000 | 7.1" | Fort Peck Hatchery |
| Jul 26, 2021 | Largemouth Bass · Miles City | 2,000 | 1.9" | Miles City Fish Hatchery |
| May 17, 2021 | Rainbow Trout · Arlee X Erwin - Ennis | 1,000 | 6.8" | Fort Peck Hatchery |
| May 19, 2020 | Rainbow Trout · Arlee X Erwin - Ennis | 1,004 | 7.1" | Fort Peck Hatchery |
| Jun 6, 2019 | Rainbow Trout | 1,000 | 7.3" | Fort Peck Hatchery |
| Jun 18, 2018 | Rainbow Trout · Arlee X Erwin - Ennis | 1,100 | 6.0" | Fort Peck Hatchery |
| May 3, 2018 | Rainbow Trout · Arlee | 1,000 | 2.5" | Fort Peck Hatchery |
| Jun 5, 2017 | Rainbow Trout · Arlee X Erwin - Ennis | 1,000 | 6.9" | Fort Peck Hatchery |
| May 12, 2015 | Rainbow Trout · Arlee X Erwin - Ennis | 1,002 | 7.6" | Fort Peck Hatchery |
Showing the 12 most recent of 14. Stocking records for Flinstone 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.
