Rainbow Trout Stocked · 6 plants · last April 22, 2026 Best: dawn, dusk Deep Lake fishing
Deep Lake fishing has Rainbow Trout on the stocking report. It is stocked about 3 times a year since 2025, most often in April and May. Species guides list dawn and dusk as the active times.
- Last stocked
- April 22, 2026
- · Rainbow Trout
- Plants on record
- 6
- Since 2025
- Species recorded
- 1
- Average size
- 10.7 in
- Surface acres
- 62.9
- Elevation
- 198 ft
Fish at Deep Lake
Rainbow Trout Stocked · 6 plants · last April 22, 2026 Best: dawn, dusk Deep Lake's fish population includes stocked rainbow trout. The lake also contains naturally reproducing populations of largemouth bass, bluegill, yellow perch, and pumpkinseed. (en.wikipedia.org, accessed October 5, 2026)
Drafted by AI from the cited sources and checked before publishing.
How Deep Lake is stocked
About 274 reported fish per acre, 2nd most of 14 lakes in Thurston County with both a fish count and a surface area.
Fish stocked in 2025
8,755
Fish stocked in 2026
8,505
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| April 22, 2026 | Rainbow Trout | 2,500 | 10.7 in | report |
| April 20, 2026 | Rainbow Trout | 3,000 | 10.5 in | report |
| April 17, 2026 | Rainbow Trout | 3,005 | 10.4 in | report |
| May 12, 2025 | Rainbow Trout | 2,000 | 10.9 in | report |
| April 22, 2025 | Rainbow Trout | 3,755 | 10.9 in | report |
| April 21, 2025 | Rainbow Trout | 3,000 | 10.7 in | report |
Access and facts
Advisories, closures, regulations and water conditions change. Check the Washington Department of Fish and Wildlife before you go.
Nearest lakes
Public land at Deep Lake
Deep Lake is 0.1 miles outside the edge of Millersylvania State Park.
Boundaries from Public Lands DB, part of the same network.
Common questions
What fish are at Deep Lake?
Fishing Deep Lake usually means Rainbow Trout. All 6 plants on record are Rainbow Trout. Rainbow Trout was last stocked April 22, 2026, averaging 10.7 in.
When is Deep Lake stocked?
Last stocked April 22, 2026. It is stocked about 3 times a year since 2025, most often in April and May. About 274 reported fish per acre, 2nd most of 14 lakes in Thurston County with both a fish count and a surface area.
How big are the fish stocked at Deep Lake?
Rainbow Trout stocked at Deep Lake average 10.7 in.
Which lakes near Deep Lake were stocked more recently?
Offutt Lake (4 mi) was stocked more recently. Offutt Lake is also stocked with Rainbow Trout.