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Brown Trout stocking
Lowland lake · Cowlitz County · 283.4 acres · 1,524 ft
3,000 brown trout on Oct 4
3 years agoMossyrock Hatchery
Average size
Fingerlings
under 0.1 lb
Planted small, to grow on — these are not catchable yet. Last catchable plant Apr 13.
2026 so far
0
0% of a normal year
Normal year
2,665
average of 5 seasons
Typical size
Fingerlings
under 0.1 lb each
Stocking season
Varies
no regular pattern
This year against a 5-season average
2026normal
Recent plants
| Date | Species | Number | Size | Fish/lb |
|---|---|---|---|---|
| Oct 4 | Brown Trout | 3,000 | Fingerlings · under 0.1 lb each | 20 |
| Aug 27 | Brown Trout | 2,326 | Fry · under 0.1 lb each | 68 |
| Aug 27 | Brown Trout | 3,000 | Fingerlings · under 0.1 lb each | 11 |
| Jun 20 | Brown Trout | 3,000 | Fry · under 0.1 lb each | 56 |
| Apr 13 | Brown Trout | 2,000 | Catchables · 0.36 lb each | 2.8 |
5 brown trout releases on record since 2015 · from WDFW's fish plants data, as published.
This lake on WDFWWDFW fishing prospects calendar
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rainbow Trout | ||||||||||||
| Cutthroat Trout |
quiet → best this month
No WDFW calendar for Brown Trout — the lake holds it, WDFW just doesn't rate its months.
WDFW draws one calendar per species for the whole state, so it shows the season's shape rather than this lake's own record. Check the rules for when each species is open here. This lake on WDFW
be the first to say how Merrill Lake fished
No catch reports yet for this water.
Currently
56°
Clearfeels like 53°
Tue
Favorable
61° 51°
wind 6 kt · 15% rain
Wed
Favorable
74° 54°
wind 5 kt · 3% rain
Thu
Favorable
79° 57°
wind 7 kt · 1% rain
Fri
Favorable
71° 48°
wind 5 kt · 0% rain
Sat
Favorable
76° 51°
wind 5 kt · 0% rain
Sun
Favorable
77° 54°
wind 5 kt · 0% rain
Mon
Favorable
66° 48°
wind 7 kt · 4% rain
The current regulation for Merrill Lake could not be confidently verified from a structured source, so this dashboard won't guess. Check the official WDFW sport fishing rules before fishing.
rules are shown exactly as published and cover every species at this location — they can change at any time, so always confirm with WDFW before fishingWant to know the best time to fish for brown trout this week at Merrill Lake?
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Wind now
4mph
E · gusting 4
Gusts · 12h
10mph
laying down
wind mph gusts