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Rainbow stocking
Lowland lake · Grant County · 1.2 acres · 964 ft
402 rainbows on Apr 2
7 years agoColumbia Basin Hatchery
Average size
Fry
under 0.1 lbeach
Planted small, to grow on — these are not catchable yet.
2026 so far
0
0% of a normal year
Normal year
408
average of 5 seasons
Typical size
Fry
under 0.1 lb each
Stocking season
Mar
when the truck comes
This year against a 5-season average
2026normal
Recent plants
| Date | Species | Number | Size | Fish/lb |
|---|---|---|---|---|
| Apr 2 | Rainbow | 402 | Fry · under 0.1 lb each | 91 |
| Mar 28 | Rainbow | 401 | Fry · under 0.1 lb each | 100 |
| Apr 10 | Rainbow | 401 | Fry · under 0.1 lb each | 100 |
| Mar 18 | Rainbow | 427 | Fry · under 0.1 lb each | 95 |
| Mar 24 | Rainbow | 407 | Fry · under 0.1 lb each | 91 |
5 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 Heron - Upper Lake fished
No catch reports yet for this water.
Currently
59°
Partly cloudyfeels like 55°
Tue
Favorable
66° 49°
wind 10 kt · 8% rain
Wed
Favorable
79° 52°
wind 10 kt · 2% rain
Thu
Favorable
84° 55°
wind 12 kt · 3% rain
Fri
Favorable
82° 60°
wind 8 kt · 2% rain
Sat
Favorable
83° 59°
wind 6 kt · 0% rain
Sun
Good
85° 60°
wind 5 kt · 0% rain
Mon
Favorable
83° 58°
wind 9 kt · 0% rain
The current regulation for Heron - Upper 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 Heron - Upper Lake?
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Wind now
11mph
N · gusting 14
Gusts · 12h
15mph
holding or building
wind mph gusts