
Rattlesnake Lake Fishing Regulations
King County, Washington · 2026 size limits, bag limits, and seasons
Rattlesnake Lake is a lake in King County, Washington. It has its own fishing regulations for 7 species, including Brook Trout, Brown Trout, Cutthroat Trout, and Golden Trout. These rules replace Washington's statewide limits on this water.
Map of Rattlesnake Lake

Fish with special rules on Rattlesnake Lake
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Rattlesnake Lake limits by species (2026)
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
| All Fish SpeciesBarbless; No Bait; Single Point Hook | – | – | Always open |
| 14" min | 2 | Year-round | |
| 14" min | 2 | Year-round | |
| 14" min | 2 | Year-round | |
| 14" min | 2 | Year-round | |
| 14" min | 2 | Year-round | |
| 14" min | 2 | Year-round | |
| 14" min | 2 | Year-round |
– means no limit is listed for this water. Rules not shown here follow Washington's statewide regulations.
Plan your Rattlesnake Lake trip
Rattlesnake Lake fishing: common questions
What fish have special regulations on Rattlesnake Lake?
7 species have rules specific to Rattlesnake Lake: Brook Trout, Brown Trout, Cutthroat Trout, Golden Trout, Lake Trout, Rainbow Trout, and Steelhead.
What is the brook trout limit on Rattlesnake Lake?
Brook Trout must be at least 14" to keep on Rattlesnake Lake, and the daily bag limit is 2.
What is the brown trout limit on Rattlesnake Lake?
Brown Trout must be at least 14" to keep on Rattlesnake Lake, and the daily bag limit is 2.
What is the cutthroat trout limit on Rattlesnake Lake?
Cutthroat Trout must be at least 14" to keep on Rattlesnake Lake, and the daily bag limit is 2.
Do Washington statewide fishing rules apply on Rattlesnake Lake?
Where Rattlesnake Lake has its own rule for a species, that rule replaces the statewide limit. For species not listed on this page, Washington's statewide regulations apply. Regulations are set by the Washington Department of Fish and Wildlife; confirm with the official 2026 regulations before keeping a fish.
Other Washington waters with special regulations
- Yakima River · Benton
- Columbia River
- Wind River · Skamania
- Drano Lake · Skamania
- Naselle River · Pacific
- Roosevelt Lake · Ferry/Grant/Lincoln/Okanogan/Stevens
- Cowlitz River · Cowlitz/Lewis
- Green River · Duwamish
- Grays River · Wahkiakum
- Nisqually River · Pierce/Thurston
- Nooksack River · Whatcom
- Humptulips River · Grays Harbor
Take Rattlesnake Lake rules on the water
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