Langlois Lake fishing

Langlois Lake fishing is stocked with Rainbow Trout, Largemouth Bass, and Kokanee on a natural lake. It is stocked about 1.5 times a year since 2025, most often in April. Species guides list dawn and dusk as the active times.

Illustration, not a photo of this lake
Last stocked
April 10, 2026
173 days ago · Rainbow Trout
Plants on record
3
Since 2025
Species recorded
1
Average size
10.7 in
Surface acres
40.6
Elevation
138 ft

Fish at Langlois Lake

1 stocked · 3 confirmed present

Rainbow Trout Stocked · 3 plants · last April 10, 2026 Best: dawn, dusk

Last stocked April 10, 2026 · avg 10.7 in · 3 plants

Best: dawn, dusk

Rainbow Trout species guide
Kokanee Confirmed present
Kokanee species guide
Largemouth bass Confirmed present Best: dawn, dusk

Best: dawn, dusk

Largemouth bass species guide

How Langlois Lake is stocked

Source: Washington Department of Fish and Wildlife.

About 239 reported fish per acre, 11th most of 33 lakes in King County with both a fish count and a surface area.

Fish stocked in 2025

5,113

Fish stocked in 2026

4,600

Stocking history

Source: Washington Department of Fish and Wildlife.
Date Species Quantity Avg. length Source
April 10, 2026 Rainbow Trout 3,200 11 in report
April 7, 2026 Rainbow Trout 1,400 11 in report
April 10, 2025 Rainbow Trout 5,113 10 in report

Access and facts

Water type
natural lake
Shore access
Yes
Boat ramp
Yes

Shoreline access: Good. WDFW boat ramp only WDFW maintains a public water access area on this lake.

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Nearest lakes

Beaver Lake - Sammamish 6.1 mi last stocked April 8, 2026 Lake Alice 7.2 mi last stocked May 6, 2026 Pine Lake 8 mi last stocked April 13, 2026 Lake Margaret 9.2 mi last stocked April 9, 2026 Cottage Lake 12.3 mi last stocked April 14, 2026

Common questions

What fish are at Langlois Lake?

Fishing Langlois Lake usually means Rainbow Trout. All 3 plants on record are Rainbow Trout. Rainbow Trout was last stocked April 10, 2026, averaging 10.7 in. Kokanee and Largemouth bass are recorded here outside the stocking reports.

When is Langlois Lake stocked?

Last stocked April 10, 2026. It is stocked about 1.5 times a year since 2025, most often in April. About 239 reported fish per acre, 11th most of 33 lakes in King County with both a fish count and a surface area.

How big are the fish stocked at Langlois Lake?

Rainbow Trout stocked at Langlois Lake average 10.7 in.

How do you get on Langlois Lake?

Shore fishing is available and there is a boat ramp. Shoreline access: Good. WDFW boat ramp only WDFW maintains a public water access area on this lake.

Which lakes near Langlois Lake were stocked more recently?

Lake Alice (7.2 mi), Pine Lake (8 mi), and Cottage Lake (12.3 mi) were stocked more recently. Lake Alice is also stocked with Rainbow Trout, Pine Lake is also stocked with Rainbow Trout, and Cottage Lake is also stocked with Rainbow Trout.

Sources (1) +