Lake County, MT
Lake Mary Ronan
LakeLake County, MT
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About this water
Lake Mary Ronan is a lake in Lake County, Montana. State records show it stocked 180 times between 2000 and 2026. The most-stocked species are kokanee, rainbow trout and westslope cutthroat trout, with 1 more on record. 9,183,738 kokanee have gone in across 105 releases.
Stocking history
180 recorded stockings
| Date | Species | Number | Size | Hatchery |
|---|---|---|---|---|
| Jun 16, 2026 | Rainbow Trout · Arlee | 13,572 | 3.6" | Jocko River Trout Hatchery |
| Jun 16, 2026 | Rainbow Trout · Arlee | 13,572 | 3.6" | Jocko River Trout Hatchery |
| Jun 23, 2025 | Rainbow Trout · Arlee | 30,000 | 3.3" | Jocko River Trout Hatchery |
| Aug 8, 2024 | Largemouth Bass · Miles City | 27,522 | 1.3" | Miles City Fish Hatchery |
| Jun 10, 2024 | Rainbow Trout · Arlee | 30,000 | 3.3" | Jocko River Trout Hatchery |
| May 16, 2024 | Kokanee · Lake Mary Ronan | 50,000 | 2.6" | Flathead Lake Salmon Hatchery |
| May 13, 2024 | Kokanee · Lake Mary Ronan | 30,000 | 3.4" | Giant Springs Trout Hatchery |
| Apr 19, 2024 | Kokanee · Lake Mary Ronan | 250,000 | 2.5" | Flathead Lake Salmon Hatchery |
| Sep 5, 2023 | Largemouth Bass · Miles City | 13,266 | 2.6" | Miles City Fish Hatchery |
| Aug 17, 2023 | Largemouth Bass · Miles City | 14,300 | 1.6" | Miles City Fish Hatchery |
| Jun 13, 2023 | Rainbow Trout · Arlee | 30,139 | 3.1" | Jocko River Trout Hatchery |
| May 5, 2023 | Kokanee · Lake Mary Ronan | 310,000 | 2.5" | Flathead Lake Salmon Hatchery |
Showing the 12 most recent of 180. Stocking records for Lake Mary Ronan 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.
