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Brown Trout stocking
Lowland lake · Whitman County · 2,189.6 acres · 1,728 ft
15,000 brown trout on Mar 2
7 months agoSpokane Hatchery
Average size
Catchables
0.2 lb
Planted small, to grow on — these are not catchable yet.
2026 so far
15,000
15% of a normal year
Normal year
100,352
average of 11 seasons
Typical size
Fingerlings
under 0.1 lb each
Stocking season
Mar, Oct
when the truck comes
This year against a 11-season average
2026normal
Recent plants
| Date | Species | Number | Size | Fish/lb |
|---|---|---|---|---|
| Mar 2 | Brown Trout | 15,000 | Catchables · 0.2 lb each | 5.0 |
| Oct 1 | Brown Trout | 15,570 | Fingerlings · under 0.1 lb each | 20 |
| Oct 1 | Brown Trout | 4,430 | Fingerlings · under 0.1 lb each | 21 |
| Sep 30 | Brown Trout | 42,712 | Fingerlings · under 0.1 lb each | 18 |
| Sep 30 | Brown Trout | 26,078 | Fingerlings · under 0.1 lb each | 18 |
| Mar 4 | Brown Trout | 14,406 | Catchables · 0.19 lb each | 5.3 |
| Oct 8 | Brown Trout | 7,310 | Fingerlings · under 0.1 lb each | 17 |
| Mar 14 | Brown Trout | 15,125 | Catchables · 0.2 lb each | 5.0 |
61 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bullhead Catfish | ||||||||||||
| Crappie | ||||||||||||
| Rainbow Trout | ||||||||||||
| Bass | ||||||||||||
| Bluegill | ||||||||||||
| Kokanee | ||||||||||||
| Pumpkinseed Sunfish | ||||||||||||
| Yellow Perch |
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 Rock Lake fished
Currently
56°
Clearfeels like 53°
Tue
Favorable
66° 49°
wind 7 kt · 5% rain
Wed
Favorable
77° 49°
wind 10 kt · 2% rain
Thu
Favorable
83° 54°
wind 14 kt · 4% rain
Fri
Favorable
76° 59°
wind 7 kt · 16% rain
Sat
Favorable
78° 60°
wind 7 kt · 1% rain
Sun
Favorable
82° 60°
wind 6 kt · 0% rain
Mon
Favorable
76° 64°
wind 14 kt · 0% rain
The current regulation for Rock 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 Rock Lake?
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Wind now
6mph
NE · gusting 12
Gusts · 12h
20mph
holding or building
wind mph gusts