Rattlesnake Lake fishing

Rattlesnake Lake fishing is stocked with Rainbow Trout and Cutthroat 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.

Rattlesnake Lake
Photo: User:Vmenkov, CC BY-SA 3.0
Last stocked
April 6, 2026
177 days ago · Rainbow Trout
Plants on record
2
Since 2025
Species recorded
1
Average size
10.9 in
Surface acres
107.6
Elevation
915 ft

Fish at Rattlesnake Lake

1 stocked · 2 confirmed present

Rainbow Trout Stocked · 2 plants · last April 6, 2026 Best: dawn, dusk

Last stocked April 6, 2026 · avg 10.9 in · 2 plants

Best: dawn, dusk

Rainbow Trout species guide
Cutthroat trout Confirmed present
Cutthroat trout species guide

How Rattlesnake Lake is stocked

Source: Washington Department of Fish and Wildlife.

About 51 reported fish per acre, 32nd most of 33 lakes in King County with both a fish count and a surface area.

Fish stocked in 2025

3,500

Fish stocked in 2026

2,000

Stocking history

Source: Washington Department of Fish and Wildlife.
Date Species Quantity Avg. length Source
April 6, 2026 Rainbow Trout 2,000 11 in report
April 8, 2025 Rainbow Trout 3,500 10.8 in report

Access and facts

Water type
natural lake
Shore access
Yes
Boat ramp
Yes

Shoreline access: Good. Most of the shoreline is accessible.

View larger map · Open in Google Maps · Directions

About Rattlesnake Lake

Photo of Rattlesnake Lake
User:Vmenkov, CC BY-SA 3.0

Nearest lakes

Lake Alice 8.8 mi last stocked May 6, 2026 Lake Number 12 11.9 mi last stocked April 1, 2026 Wilderness Lake 12.8 mi last stocked April 13, 2026 Walker Lake 13.1 mi last stocked April 13, 2026 Lake Sawyer 14 mi last stocked May 8, 2026

Camping near Rattlesnake Lake

Campgrounds within 15 miles of Rattlesnake Lake's mapped point, nearest first: Kanaskat-Palmer State Park camping (9.8 miles), Tinkham camping (9.9 miles), and Middle Fork camping (14 miles), each with its own campground page on campgroundsdb.com.

Straight-line distances.

Public land at Rattlesnake Lake

Rattlesnake Lake is 0.2 miles outside the edge of Iron Horse State Park.

It is 0.7 miles outside the edge of Olallie State Park.

Boundaries from Public Lands DB, part of the same network.

Common questions

What fish are at Rattlesnake Lake?

Fishing Rattlesnake Lake usually means Rainbow Trout. All 2 plants on record are Rainbow Trout. Rainbow Trout was last stocked April 6, 2026, averaging 10.9 in. Cutthroat trout is recorded here outside the stocking reports.

When is Rattlesnake Lake stocked?

Last stocked April 6, 2026. It is stocked about once a year since 2025, most often in April. About 51 reported fish per acre, 32nd most of 33 lakes in King County with both a fish count and a surface area.

How big are the fish stocked at Rattlesnake Lake?

Rainbow Trout stocked at Rattlesnake Lake average 10.9 in.

How do you get on Rattlesnake Lake?

Shore fishing is available and there is a boat ramp. Shoreline access: Good. Most of the shoreline is accessible.

Which lakes near Rattlesnake Lake were stocked more recently?

Lake Alice (8.8 mi), Wilderness Lake (12.8 mi), Walker Lake (13.1 mi), and Lake Sawyer (14 mi) were stocked more recently. Lake Alice is also stocked with Rainbow Trout, Wilderness Lake is also stocked with Rainbow Trout, Walker Lake is also stocked with Rainbow Trout, and Lake Sawyer is also stocked with Rainbow Trout.

Sources (1) +