Portsmouth Mine
The Minnesota DNR reports 7,566 trout stocked in Portsmouth Mine (Crow Wing County) in 2025, the latest year in its lake stocking report. The DNR reports stocking by year, not by day.
Minnesota DNR data pulled .

Portsmouth Mine in numbers
- trout stocked in 2025
- 7,566
- yearly average, 2020–2024
- 7,048
- years stocked since 2020
- 6
Every stocking record
Every trout stocking the DNR reports for this lake, by year, species and size class (fry, fingerlings, yearlings, adults), newest first.
| Year | Species | Size | Fish |
|---|---|---|---|
| 2025 | Rainbow troutyearlings | yearlings | 7,500 |
| 2025 | Rainbow troutadults | adults | 66 |
| 2024 | Rainbow troutyearlings | yearlings | 7,000 |
| 2023 | Rainbow troutyearlings | yearlings | 7,000 |
| 2023 | Rainbow troutadults | adults | 92 |
| 2022 | Rainbow troutadults | adults | 36 |
| 2022 | Rainbow troutyearlings | yearlings | 7,000 |
| 2021 | Rainbow troutadults | adults | 59 |
| 2021 | Rainbow troutyearlings | yearlings | 7,000 |
| 2020 | Rainbow troutyearlings | yearlings | 7,000 |
| 2020 | Rainbow troutadults | adults | 54 |
Trout stocked each year
Shown from 2020 to 2025, the latest year the DNR has published. The tallest year is yellow.
What is stocked here
| Species | Fish | Share |
|---|---|---|
| Rainbow trout | 42,807 | 100% |
This is a stream, and a stream has no single map point, so no map is shown.
Also in Crow Wing County: Pennington Mine, Huntington Mine, Allen Lake, Manuel Mine, Sagamore Mine, Pleasant Lake, Strawberry Lake, Mallen Pit.
Source: DNR lake stocking report, Minnesota Department of Natural Resources. Pulled . Check the agency and the current fishing rules before you go.