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Rainbow stocking
Lowland lake · Grant County · 0.8 acres · 1,138 ft
200 rainbows on May 6
4 months agoColumbia Basin Hatchery
Average size
Fry
under 0.1 lbeach
Planted small, to grow on — these are not catchable yet.
2026 so far
200
98% of a normal year
Normal year
205
average of 11 seasons
Typical size
Fry
under 0.1 lb each
Stocking season
Mar
when the truck comes
This year against a 11-season average
2026normal
Recent plants
| Date | Species | Number | Size | Fish/lb |
|---|---|---|---|---|
| May 6 | Rainbow | 200 | Fry · under 0.1 lb each | 111 |
| Mar 18 | Rainbow | 200 | Fry · under 0.1 lb each | 104 |
| Mar 19 | Rainbow | 200 | Fry · under 0.1 lb each | 87 |
| May 2 | Rainbow | 200 | Fry · under 0.1 lb each | 108 |
| Apr 19 | Rainbow | 200 | Fry · under 0.1 lb each | 105 |
| Mar 30 | Rainbow | 200 | Fry · under 0.1 lb each | 100 |
| Apr 28 | Rainbow | 200 | Fry · under 0.1 lb each | 101 |
| Apr 10 | Rainbow | 200 | Fry · under 0.1 lb each | 80 |
12 rainbow 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 |
quiet → best this month
WDFW rates rainbow trout best in April through June.
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 Cup Lake fished
Currently
57°
Clearfeels like 53°
Tue
Favorable
67° 51°
wind 9 kt · 5% rain
Wed
Favorable
78° 55°
wind 11 kt · 1% rain
Thu
Favorable
84° 61°
wind 12 kt · 1% rain
Fri
Favorable
81° 58°
wind 5 kt · 2% rain
Sat
Favorable
82° 57°
wind 6 kt · 0% rain
Sun
Favorable
84° 59°
wind 6 kt · 0% rain
Mon
Favorable
83° 58°
wind 7 kt · 1% rain
The current regulation for Cup 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 rainbow trout this week at Cup Lake?
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Wind now
8mph
N · gusting 12
Gusts · 12h
21mph
laying down
wind mph gusts