Larsen Lake Fishing Regulations
King County, Washington · 2026 size limits, bag limits, and seasons
Larsen Lake is a lake in King County, Washington. It has its own fishing regulations for 4 species, including Channel Catfish, Largemouth Bass, Smallmouth Bass, and Walleye. These rules replace Washington's statewide limits on this water.
Map of Larsen Lake
Fish with special rules on Larsen Lake
Tap a fish for identification tips, size records, and the best bait.
Larsen Lake limits by species (2026)
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
 Channel Catfish | – | 10 | Year-round |
 Largemouth Bass1 over 17” may be retained. | 12" max | 10 | Year-round |
 Smallmouth BassOnly 1 over 14” may be retained. | – | 15 | Year-round |
 WalleyeOnly 1 over 22” may be retained. | – | 16 | Year-round |
– means no limit is listed for this water. Rules not shown here follow Washington's statewide regulations.
Plan your Larsen Lake trip
Larsen Lake fishing: common questions
What fish have special regulations on Larsen Lake?
4 species have rules specific to Larsen Lake: Channel Catfish, Largemouth Bass, Smallmouth Bass, and Walleye.
What is the channel catfish limit on Larsen Lake?
No size limit is listed for Channel Catfish on Larsen Lake, and the daily bag limit is 10.
What is the largemouth bass limit on Larsen Lake?
Largemouth Bass have a maximum size of 12" on Larsen Lake, and the daily bag limit is 10.
What is the smallmouth bass limit on Larsen Lake?
No size limit is listed for Smallmouth Bass on Larsen Lake, and the daily bag limit is 15.
Do Washington statewide fishing rules apply on Larsen Lake?
Where Larsen 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 Larsen Lake rules on the water
Identify your catch, check if it's a keeper, and log it. CatchVault is on iOS, with Android on the way.