Cowlitz River
WDFW logged 1 trout stocking date at Cowlitz River in 2026 so far, 10,130 fish in all. The latest was on Apr 15, 2026. WDFW lists it as “Cowlitz R 26.0002”.
WDFW data pulled . Latest record in the WDFW data for any water: Nov 4, 2026.

Cowlitz River in numbers
- fish stocked in 2026, through Nov 6
- 10,130
- by the same date in 2025
- 54,969
- in all of 2025
- 54,969
Every stocking record
Every trout and kokanee release WDFW lists for this water in the last two years, newest first, then yearly totals since 2025. Counts include fry and fingerlings as well as catchable trout: WDFW calls catchable fish “legals”. Fish per pound is WDFW’s figure for each release; fewer fish per pound means bigger fish.
| Date | Species | Fish | Life stage | Fish per lb |
|---|---|---|---|---|
| Apr 15 | Cutthroat trout10,130 fish · Yearling | 10,130 | Yearling | 3.4 |
| Date | Species | Fish | Life stage | Fish per lb |
|---|---|---|---|---|
| Apr 3 | Cutthroat trout27,881 fish · Yearling | 27,881 | Yearling | 5 |
| Apr 3 | Cutthroat trout27,088 fish · Yearling | 27,088 | Yearling | 5 |
| Year | Stocking dates | Fish |
|---|---|---|
| 2026 | 1 | 10,130 |
| 2025 | 1 | 54,969 |
Trout stocked each year
2026 is outlined because the year is not over. The tallest full year is yellow. Counts include fry and fingerlings.
What is stocked here
| Species | Fish | Share |
|---|---|---|
| Cutthroat trout | 65,099 | 100% |
No single map point is given for this water in the USGS names database, so no map is shown.
Also in Cowlitz County: Horseshoe Lake, Lake Sacajawea, Kress Lake, Lake Merwin, Silver Lake, Merrill Lake.
Source: WDFW Fish Plants dataset, data.wa.gov, Washington Department of Fish and Wildlife. Pulled . Check the agency and the current fishing rules before you go.