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Rainbow stocking
Lowland lake · Grant County · 8.7 acres · 826 ft
1,850 rainbows on May 7
4 months agoColumbia Basin Hatchery
Fish per pound
Fry · under 0.1 lb each
101
Planted small, to grow on — these are not catchable yet.
2026 so far
1,850
101% of a normal year
Normal year
1,824
average of 10 seasons
Typical size
Fry
under 0.1 lb each
Stocking season
Oct
when the truck comes
This year against a 10-season average
2026normal
Recent plants
| Date | Species | Number | Fish/lb | Size |
|---|---|---|---|---|
| May 7 | Rainbow | 1,850 | 101 | Fry · under 0.1 lb each |
| Mar 19 | Rainbow | 1,953 | 104 | Fry · under 0.1 lb each |
| Mar 14 | Rainbow | 1,800 | 85 | Fry · under 0.1 lb each |
| Oct 12 | Rainbow | 1,800 | 19 | Fingerlings · under 0.1 lb each |
| Oct 11 | Rainbow | 1,808 | 24 | Fingerlings · under 0.1 lb each |
| Oct 30 | Rainbow | 1,800 | 20 | Fingerlings · under 0.1 lb each |
| Oct 18 | Rainbow | 1,824 | 20 | Fingerlings · under 0.1 lb each |
| Oct 12 | Rainbow | 1,811 | 18 | Fingerlings · under 0.1 lb each |
11 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 | ||||||||||||
| Bass |
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 Ancient Lake South fished
No catch reports yet for this water.
Currently
59°
Clearfeels like 54°
Tue
Favorable
68° 52°
wind 9 kt · 5% rain
Wed
Favorable
79° 56°
wind 11 kt · 1% rain
Thu
Good
85° 62°
wind 12 kt · 1% rain
Fri
Favorable
82° 59°
wind 6 kt · 1% rain
Sat
Favorable
83° 59°
wind 7 kt · 0% rain
Sun
Favorable
85° 61°
wind 5 kt · 0% rain
Mon
Favorable
84° 61°
wind 9 kt · 1% rain
The current regulation for Ancient Lake South 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 Ancient Lake South?
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Wind now
8mph
N · gusting 12
Gusts · 12h
21mph
laying down
wind mph gusts