Merrill Lake
WDFW logged 1 trout stocking date at Merrill Lake in 2026 so far, 3,000 fish in all. The latest was on Oct 28, 2026. WDFW lists it as “Merrill Lk (Cowl)”.
WDFW data pulled . Latest record in the WDFW data for any water: Nov 4, 2026.
Merrill Lake in numbers
- fish stocked in 2026, through Nov 6
- 3,000
- by the same date in 2025
- 0
- in all of 2025
- 0
Every stocking record
Every trout and kokanee release WDFW lists for this water in the last two years, newest first, then yearly totals since 2020. 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 |
|---|---|---|---|---|
| Oct 28 | Brown trout3,000 fish · Fry | 3,000 | Fry | 15 |
| Date | Species | Fish | Life stage | Fish per lb |
|---|---|---|---|---|
| Oct 4 | Brown trout3,000 fish · Fry | 3,000 | Fry | 19.6 |
| Year | Stocking dates | Fish |
|---|---|---|
| 2026 | 1 | 3,000 |
| 2023 | 1 | 3,000 |
| 2020 | 1 | 2,326 |
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 |
|---|---|---|
| Brown trout | 8,326 | 100% |
Where it is
Map point 46.0941, -122.3241: the USGS Geographic Names Information System point for this lake (feature 1523010). It marks the water, not a parking lot or a boat launch.
Closest waters on this site
Straight-line distance between USGS map points, not driving distance.
Also in Cowlitz County: Horseshoe Lake, Lake Sacajawea, Kress Lake, Lake Merwin, Silver Lake, Cowlitz River.
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.
Near Merrill Lake
Boat access, bait shops, rentals and places to stay within 10 miles. Distances are straight lines from the map point of the water, not driving distance.
Campgrounds and RV parks
nearest 3- Merrill Lake Campgroundcampground · Cowlitz County0.2 mi
- Lone Fir Resortcampground · Cougar3.1 mi
- Cougar Campgroundcampground3.2 mi
Lodging
1 listed- The Lodge at Mt. St. Helenshotel · Cougar3.0 mi
Businesses: Overture Maps Foundation open places data (release 2026-10-21.0, pulled 2026-11-06), from the businesses’ public listings. We have not visited them and do not rank them. Hours and services change, so call ahead.