Cowlitz County, Washington trout stocking
Washington stocks 6 waters in Cowlitz County (5 lakes and ponds, 1 stream). The most recent stocking was Lake Merwin, 2 months ago (Jul 13, 2026). Most stockings here come in April.
When Cowlitz County is stocked
Stocked waters in Cowlitz County
| Water | Type | Last stocked | On record | Species |
|---|---|---|---|---|
| Lake Merwin | lake | Jul 13, 2026 | 10 | Kokanee, Rainbow trout |
| Horseshoe Lake | lake | May 15, 2026 | 19 | Brown trout, Rainbow trout |
| Kress Lake | lake | May 6, 2026 | 10 | Brown trout, Rainbow trout |
| Lake Sacajawea | lake | May 6, 2026 | 18 | Brown trout, Rainbow trout |
| Cowlitz River | stream | Apr 15, 2026 | 3 | Cutthroat trout |
| Silver Lake | lake | Jan 2, 2026 | 1 | Rainbow trout |
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