Lake Armstrong fishing

Lake Armstrong fishing is stocked with Rainbow Trout on a natural lake. It is stocked about once 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 22, 2026
161 days ago · Rainbow Trout
Plants on record
2
Since 2025
Species recorded
1
Average size
10.8 in
Surface acres
30.1
Elevation
139 ft

Fish at Lake Armstrong

1 stocked · 1 confirmed present

Rainbow Trout Stocked · 2 plants · last April 22, 2026 Best: dawn, dusk

Last stocked April 22, 2026 · avg 10.8 in · 2 plants

Best: dawn, dusk

Rainbow Trout species guide

How Lake Armstrong is stocked

Source: Washington Department of Fish and Wildlife.

About 189 reported fish per acre, 11th most of 27 lakes in Snohomish County with both a fish count and a surface area.

Fish stocked in 2025

3,000

Fish stocked in 2026

2,700

Stocking history

Source: Washington Department of Fish and Wildlife.
Date Species Quantity Avg. length Source
April 22, 2026 Rainbow Trout 2,700 11.4 in report
April 14, 2025 Rainbow Trout 3,000 10.2 in report

Access and facts

Water type
natural lake
Shore access
Yes
Boat ramp
Yes

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

Nearest lakes

Camping near Lake Armstrong

Campgrounds within 15 miles of Lake Armstrong's mapped point, nearest first: River Meadows Park camping (3.8 miles), Wenberg County Park camping (9.6 miles), and Kayak Point Regional County Park camping (12.7 miles), each with its own campground page on campgroundsdb.com.

Straight-line distances.

Common questions

What fish are at Lake Armstrong?

Fishing Lake Armstrong usually means Rainbow Trout. All 2 plants on record are Rainbow Trout. Rainbow Trout was last stocked April 22, 2026, averaging 10.8 in.

When is Lake Armstrong stocked?

Last stocked April 22, 2026. It is stocked about once a year since 2025, most often in April. About 189 reported fish per acre, 11th most of 27 lakes in Snohomish County with both a fish count and a surface area.

How big are the fish stocked at Lake Armstrong?

Rainbow Trout stocked at Lake Armstrong average 10.8 in.

How do you get on Lake Armstrong?

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

Which lakes near Lake Armstrong were stocked more recently?

Gissburg Ponds (6.6 mi), Lake Ki (8.3 mi), and Lake Loma (8.7 mi) were stocked more recently. Gissburg Ponds is also stocked with Rainbow Trout, Lake Ki is also stocked with Rainbow Trout, and Lake Loma is also stocked with Rainbow Trout.

Sources (1) +