Fishing in Washington

Mosquito Creek Fishing Regulations

Jefferson County, Washington · 2026 size limits, bag limits, and seasons

Mosquito Creek is a creek in Jefferson County, Washington. It has its own fishing regulations for 9 species, including Brook Trout, Brown Trout, Cutthroat Trout, and Golden Trout. These rules replace Washington's statewide limits on this water.

9 species with limits
Official Washington regulations ↗Washington statewide limits →Washington license costs →

Map of Mosquito Creek

Aerial map of Mosquito Creek, Jefferson County, Washington
47.7984, -124.4816Directions ↗

Fish with special rules on Mosquito Creek

Tap a fish for identification tips, size records, and the best bait.

Brook Trout illustration

Brook Trout

See rules below

Brown Trout illustration

Brown Trout

See rules below

Cutthroat Trout illustration

Cutthroat Trout

See rules below

Golden Trout illustration

Golden Trout

See rules below

Lake Trout illustration

Lake Trout

See rules below

Rainbow Trout illustration

Rainbow Trout

See rules below

Steelhead illustration

Steelhead

See rules below

Mosquito Creek limits by species (2026)

SpeciesSize limitDaily bagSeason
All Fish SpeciesSelective gear rules.––Year-round
Brook TroutStatewide min. size/daily limit. Except: cutthroat trout and wild rainbow trout: min. size 14”.––May 23 – Feb 28 · Sat. before Memorial Day-Last Day of Feb.
Brown TroutStatewide min. size/daily limit. Except: cutthroat trout and wild rainbow trout: min. size 14”.––May 23 – Feb 28 · Sat. before Memorial Day-Last Day of Feb.
Cutthroat TroutStatewide min. size/daily limit. Except: cutthroat trout and wild rainbow trout: min. size 14”.––May 23 – Feb 28 · Sat. before Memorial Day-Last Day of Feb.
Statewide daily limit.14" min–May 23 – Feb 28 · Sat. before Memorial Day-Last Day of Feb.
Golden TroutStatewide min. size/daily limit. Except: cutthroat trout and wild rainbow trout: min. size 14”.––May 23 – Feb 28 · Sat. before Memorial Day-Last Day of Feb.
Lake TroutStatewide min. size/daily limit. Except: cutthroat trout and wild rainbow trout: min. size 14”.––May 23 – Feb 28 · Sat. before Memorial Day-Last Day of Feb.
Other Game FishStatewide min. size/daily limit.––May 23 – Feb 28 · Sat. before Memorial Day-Last Day of Feb.
Rainbow TroutStatewide min. size/daily limit. Except: cutthroat trout and wild rainbow trout: min. size 14”.––May 23 – Feb 28 · Sat. before Memorial Day-Last Day of Feb.
SteelheadStatewide min. size/daily limit. Except: cutthroat trout and wild rainbow trout: min. size 14”.––May 23 – Feb 28 · Sat. before Memorial Day-Last Day of Feb.
Wild Rainbow TroutStatewide daily limit. · Wild fish only14" min–May 23 – Feb 28 · Sat. before Memorial Day-Last Day of Feb.

– means no limit is listed for this water. Rules not shown here follow Washington's statewide regulations.

Plan your Mosquito Creek trip

Washington fishing regulations →

Statewide size limits, bag limits, and seasons for every species.

Washington fishing license →

Costs for residents and non-residents, and where to buy.

All Washington waters →

Every Washington lake and river with its own fishing rules.

Mosquito Creek fishing: common questions

What fish have special regulations on Mosquito Creek?

9 species have rules specific to Mosquito Creek: Brook Trout, Brown Trout, Cutthroat Trout, Golden Trout, Lake Trout, Other Game Fish, Rainbow Trout, and Steelhead, and 1 more.

What is the brook trout limit on Mosquito Creek?

No size limit is listed for Brook Trout on Mosquito Creek. Season: May 23 – Feb 28 · Sat. before Memorial Day-Last Day of Feb..

What is the brown trout limit on Mosquito Creek?

No size limit is listed for Brown Trout on Mosquito Creek. Season: May 23 – Feb 28 · Sat. before Memorial Day-Last Day of Feb..

What is the cutthroat trout limit on Mosquito Creek?

No size limit is listed for Cutthroat Trout on Mosquito Creek. Season: May 23 – Feb 28 · Sat. before Memorial Day-Last Day of Feb.. Limits change during the year.

Do Washington statewide fishing rules apply on Mosquito Creek?

Where Mosquito Creek 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

All Washington waters →

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