
Little Twin Lake Fishing Regulations
Okanogan County, Washington · 2026 size limits, bag limits, and seasons
Little Twin Lake is a lake in Okanogan 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 Little Twin Lake

Fish with special rules on Little Twin Lake
Tap a fish for identification tips, size records, and the best bait.
Little Twin Lake limits by species (2026)
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
| All Fish SpeciesMotors prohibited: internal combustion · Artificial Only; Barbless; Single Point Hook | – | – | Always open |
| 18" min | 1 | Apr 26 – Oct 31 · 4th Sat. in Apr.-Oct. 31 | |
| Counts as part of trout daily limit. | – | – | Apr 26 – Oct 31 · 4th Sat. in Apr.-Oct. 31 |
| 18" min | 1 | Apr 26 – Oct 31 · 4th Sat. in Apr.-Oct. 31 | |
| 18" min | 1 | Apr 26 – Oct 31 · 4th Sat. in Apr.-Oct. 31 | |
| 18" min | 1 | Apr 26 – Oct 31 · 4th Sat. in Apr.-Oct. 31 | |
| 18" min | 1 | Apr 26 – Oct 31 · 4th Sat. in Apr.-Oct. 31 | |
| 18" min | 1 | Apr 26 – Oct 31 · 4th Sat. in Apr.-Oct. 31 | |
| 18" min | 1 | Apr 26 – Oct 31 · 4th Sat. in Apr.-Oct. 31 |
– means no limit is listed for this water. Rules not shown here follow Washington's statewide regulations.
Plan your Little Twin Lake trip
Little Twin Lake fishing: common questions
What fish have special regulations on Little Twin Lake?
7 species have rules specific to Little Twin Lake: Brook Trout, Brown Trout, Cutthroat Trout, Golden Trout, Lake Trout, Rainbow Trout, and Steelhead.
What is the brook trout limit on Little Twin Lake?
Brook Trout must be at least 18" to keep on Little Twin Lake, and the daily bag limit is 1. Season: Apr 26 – Oct 31 · 4th Sat. in Apr.-Oct. 31. Limits change during the year.
What is the brown trout limit on Little Twin Lake?
Brown Trout must be at least 18" to keep on Little Twin Lake, and the daily bag limit is 1. Season: Apr 26 – Oct 31 · 4th Sat. in Apr.-Oct. 31.
What is the cutthroat trout limit on Little Twin Lake?
Cutthroat Trout must be at least 18" to keep on Little Twin Lake, and the daily bag limit is 1. Season: Apr 26 – Oct 31 · 4th Sat. in Apr.-Oct. 31.
Do Washington statewide fishing rules apply on Little Twin Lake?
Where Little Twin 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 Little Twin Lake rules on the water
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