Rainbow Trout Stocked · 12 plants · last April 27, 2026 Best: dawn, dusk Lost Lake fishing
Lost Lake fishing has Rainbow Trout and Cutthroat Trout on the stocking report. Also recorded: Kokanee, Smallmouth Bass, and Largemouth Bass. It is stocked about 6.5 times a year since 2025, most often in March and April. Species guides list dawn and dusk as the active times.
- Last stocked
- April 27, 2026
- · Rainbow Trout
- Plants on record
- 13
- Since 2025
- Species stocked
- 2 (+3 also recorded)
- Average size
- 16.1 in
- Surface acres
- 122.6
- Elevation
- 495 ft
Fish at Lost Lake
Around the dates Lost Lake is stocked, Open-Meteo's 2016-2025 archive puts mean air temperature at 42.6°F in March, 47.3°F in April, 39.6°F in January, 59.4°F in September. That is air temperature at these coordinates, not water temperature. Open-Meteo
Rainbow Trout Stocked · 12 plants · last April 27, 2026 Best: dawn, dusk 
Cutthroat Trout Stocked · 1 plant · last December 12, 2025 Last stocked December 12, 2025 · avg 16.6 in · 1 plant
Cutthroat Trout species guide
Kokanee Confirmed present Best: dawn, dusk Best: dawn, dusk
Kokanee species guide
Smallmouth Bass Confirmed present Best: dawn, dusk Best: dawn, dusk
Smallmouth Bass species guide
Largemouth Bass Confirmed present Best: dawn, dusk Best: dawn, dusk
Largemouth Bass species guideSome cutthroat trout broodstock are stocked in March, weighing about one pound each. The lake is stocked in April and May with catchable-size (10"-12") fish and again in the fall with larger jumbo rainbow trout to provide a fishery through the winter. Anglers might also catch Coastal cutthroat trout, Kokanee, Largemouth bass, and Smallmouth bass. (wdfw.wa.gov, accessed September 22, 2026)
Drafted by AI from the cited sources and checked before publishing.
How Lost Lake is stocked
About 147 reported fish per acre, 3rd most of 21 lakes in Mason County with both a fish count and a surface area.
Fish stocked in 2025
10,230
Fish stocked in 2026
7,814
Stocking history
| Date | Species | Quantity | Avg. length | Source |
|---|---|---|---|---|
| April 27, 2026 | Rainbow Trout | 2,425 | 12.7 in | report |
| April 1, 2026 | Rainbow Trout | 409 | 22.5 in | report |
| March 16, 2026 | Rainbow Trout | 2,370 | 10.4 in | report |
| March 9, 2026 | Rainbow Trout | 2,535 | 10.5 in | report |
| January 15, 2026 | Rainbow Trout | 75 | 22.9 in | report |
| December 12, 2025 | Cutthroat Trout | 100 | 16.6 in | report |
| September 26, 2025 | Rainbow Trout | 300 | 12.9 in | report |
| September 22, 2025 | Rainbow Trout | 2,000 | 13.7 in | report |
| April 28, 2025 | Rainbow Trout | 2,450 | 12.9 in | report |
| April 9, 2025 | Rainbow Trout | 200 | 19.2 in | report |
| March 26, 2025 | Rainbow Trout | 200 | 19.2 in | report |
| March 17, 2025 | Rainbow Trout | 4,905 | 10 in | report |
| January 16, 2025 | Rainbow Trout | 75 | 25.5 in | report |
Access and facts
- Nearest town
- Shelton
- Facilities
- restrooms
Shore fishing is good but limited to the WDFW access area.
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 Lost Lake
Shoreline access at Lost Lake is good, but it is limited to the WDFW access area. (wdfw.wa.gov, accessed September 22, 2026)
Drafted by AI from the cited sources and checked before publishing.
Nearest lakes
Common questions
What fish are at Lost Lake?
Fishing Lost Lake usually means Rainbow Trout: Rainbow Trout accounts for 12 of 13 plants on record, ahead of Cutthroat Trout. Rainbow Trout was last stocked April 27, 2026, averaging 16 in. Cutthroat Trout was last stocked December 12, 2025, averaging 16.6 in. Kokanee, Smallmouth Bass, and Largemouth Bass are recorded here outside the stocking reports.
When is Lost Lake stocked?
Last stocked April 27, 2026. It is stocked about 6.5 times a year since 2025, most often in March and April. About 147 reported fish per acre, 3rd most of 21 lakes in Mason County with both a fish count and a surface area.
How big are the fish stocked at Lost Lake?
Stocked fish average 16.1 in. Rainbow Trout average 16 in. Cutthroat Trout average 16.6 in.
How do you get on Lost Lake?
The nearest town is Shelton. Facilities include restrooms. Shore fishing is good but limited to the WDFW access area.
Which lakes near Lost Lake were stocked more recently?
Nahwatzel Lake (7.1 mi), Summit Lake (9.7 mi), Vance Creek Pond #1 (Bowers Lake) (13.5 mi), and Vance Creek Pond #2 (Lake Inez) (14 mi) were stocked more recently. Nahwatzel Lake is also stocked with Rainbow Trout, Summit Lake is also stocked with Rainbow Trout, Vance Creek Pond #1 (Bowers Lake) is also stocked with Rainbow Trout, and Vance Creek Pond #2 (Lake Inez) is also stocked with Rainbow Trout.