Rainbow Trout Stocked · 16 plants · last June 16, 2026 Best: dawn, dusk Bennington Lake fishing
Bennington Lake fishing is stocked with Rainbow Trout on a reservoir. Also recorded: Largemouth Bass, White Crappie, and Yellow Perch. It is stocked about 8 times a year since 2025, most often in May and June. Species guides list dawn and dusk for Rainbow Trout and Largemouth Bass and dawn, day, and dusk for Yellow Perch.
- Last stocked
- June 16, 2026
- · Rainbow Trout
- Plants on record
- 16
- Since 2025
- Species stocked
- 1 (+3 also recorded)
- Average size
- 11.7 in
- Surface acres
- 39.4
- Elevation
- 1,199 ft
Fish at Bennington Lake
Around the dates Bennington Lake is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 59.7°F in May, 67.8°F in June, 51°F in April. That is air temperature at these coordinates, not water temperature. Open-Meteo
Rainbow Trout Stocked · 16 plants · last June 16, 2026 Best: dawn, dusk 
Largemouth Bass Confirmed present Best: dawn, dusk Best: dawn, dusk
Largemouth Bass species guide White Crappie Confirmed present
Yellow Perch Confirmed present Best: dawn, day, dusk Best: dawn, day, dusk
Yellow Perch species guideHow Bennington Lake is stocked
Fish stocked in 2025
16,207
Fish stocked in 2026
17,480
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| June 16, 2026 | Rainbow Trout | 2,825 | 10 in | report |
| June 12, 2026 | Rainbow Trout | 2,825 | 10 in | report |
| May 29, 2026 | Rainbow Trout | 1,300 | 10 in | report |
| May 29, 2026 | Rainbow Trout | 100 | 15.3 in | report |
| May 21, 2026 | Rainbow Trout | 2,550 | 10 in | report |
| May 4, 2026 | Rainbow Trout | 50 | 15.3 in | report |
| May 4, 2026 | Rainbow Trout | 2,550 | 10 in | report |
| April 20, 2026 | Rainbow Trout | 180 | 15.3 in | report |
| April 17, 2026 | Rainbow Trout | 2,550 | 10 in | report |
| April 16, 2026 | Rainbow Trout | 2,550 | 10 in | report |
| June 3, 2025 | Rainbow Trout | 2,975 | 10 in | report |
| June 2, 2025 | Rainbow Trout | 132 | 15.3 in | report |
| May 20, 2025 | Rainbow Trout | 2,550 | 10 in | report |
| May 13, 2025 | Rainbow Trout | 5,100 | 10 in | report |
| May 9, 2025 | Rainbow Trout | 350 | 15.3 in | report |
| May 6, 2025 | Rainbow Trout | 5,100 | 10 in | report |
Access and facts
- Water type
- reservoir
- Nearest town
- Walla Walla, WA
- Facilities
- restrooms
Army Corps flood-control reservoir east of Walla Walla, filled from Mill Creek each spring. Boat launch on the northwest end, 20-plus miles of trails, restrooms, horse-trailer parking, and no fee. The lake drops through summer, so fishing and shore access get hard after midsummer.
Drafted by AI from the cited sources and checked before publishing.
Advisories, closures, regulations and water conditions change. Check the Washington Department of Fish and Wildlife before you go.
About Bennington Lake
Nearest lakes
Common questions
What fish are at Bennington Lake?
Fishing Bennington Lake usually means Rainbow Trout. All 16 plants on record are Rainbow Trout. Rainbow Trout was last stocked June 16, 2026, averaging 11.7 in. Largemouth Bass, White Crappie, and Yellow Perch are recorded here outside the stocking reports.
When is Bennington Lake stocked?
Last stocked June 16, 2026. It is stocked about 8 times a year since 2025, most often in May and June.
How big are the fish stocked at Bennington Lake?
Rainbow Trout stocked at Bennington Lake average 11.7 in.
How do you get on Bennington Lake?
The nearest town is Walla Walla, WA. Facilities include restrooms. Army Corps flood-control reservoir east of Walla Walla, filled from Mill Creek each spring. Boat launch on the northwest end, 20-plus miles of trails, restrooms, horse-trailer parking, and no fee. The lake drops through summer, so fishing and shore access get hard after midsummer.