Bonaparte Lake
NYSDEC reported 4,900 trout stocked in Bonaparte Lake (Lewis County) in 2025, the latest year in its stocking lists. The most recent month listed is April 2025. DEC lists stocking by month, not by day.
NYSDEC data pulled .

Bonaparte Lake in numbers
- trout stocked in 2025
- 4,900
- yearly average, 2020–2024
- 3,940
- years stocked since 2020
- 6
Every stocking record
DEC stocking lists for the last three years on record, by month and species, newest first, then yearly totals, and the spring plan DEC published for this water. DEC lists each batch with its average length; where a month has several batches the range is shown.
| When (DEC wording) | Species | Fish | Size |
|---|---|---|---|
| Spring 2026 | Brown trout3,060 fish | 3,060 | 8 inches |
| Month | Species | Fish | Batches | Average length |
|---|---|---|---|---|
| April | Brown trout3,030 fish · Average length: 8.1 in | 3,030 | 1 | 8.1 in |
| April | Lake trout1,870 fish · Average length: 6.8 in | 1,870 | 1 | 6.8 in |
| Month | Species | Fish | Batches | Average length |
|---|---|---|---|---|
| April | Brown trout3,090 fish · Average length: 8.7 in | 3,090 | 1 | 8.7 in |
| April | Lake trout1,570 fish · Average length: 6.7 in | 1,570 | 1 | 6.7 in |
| Month | Species | Fish | Batches | Average length |
|---|---|---|---|---|
| April | Brown trout2,890 fish · Average length: 7.9 in | 2,890 | 1 | 7.9 in |
| Year | Fish |
|---|---|
| 20254,900 fish | 4,900 |
| 20244,660 fish | 4,660 |
| 20232,890 fish | 2,890 |
| 20224,690 fish | 4,690 |
| 20213,160 fish | 3,160 |
| 20204,300 fish | 4,300 |
Trout stocked each year
DEC’s lists end with the latest year it has published. The tallest year is yellow.
What is stocked here
| Species | Fish | Share |
|---|---|---|
| Brown trout | 17,560 | 71% |
| Lake trout | 7,040 | 29% |
No single map point is given for this water in the USGS names database, so no map is shown.
Also in Lewis County: Fish Creek East Branch, Black River, Alder Creek, Otter Creek, Point Rock Creek, Forestry Pond, Indian River, Oswegatchie River West Branch.
Source: DEC fish stocking lists (actual), data.ny.gov and the DEC spring trout stocking plan, data.ny.gov, New York State Department of Environmental Conservation. Pulled . Check the agency and the current fishing rules before you go.