
Merry Lake Fishing Regulations
Grant County, Washington · 2026 size limits, bag limits, and seasons
Merry Lake is a lake in Grant 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 Merry Lake

Fish with special rules on Merry Lake
Tap a fish for identification tips, size records, and the best bait.
Merry 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 | Mar 1 – Nov 30 | |
| 18" min | 1 | Mar 1 – Nov 30 | |
| 18" min | 1 | Mar 1 – Nov 30 | |
| 18" min | 1 | Mar 1 – Nov 30 | |
| 18" min | 1 | Mar 1 – Nov 30 | |
| 18" min | 1 | Mar 1 – Nov 30 | |
| 18" min | 1 | Mar 1 – Nov 30 |
– means no limit is listed for this water. Rules not shown here follow Washington's statewide regulations.
Plan your Merry Lake trip
Merry Lake fishing: common questions
What fish have special regulations on Merry Lake?
7 species have rules specific to Merry Lake: Brook Trout, Brown Trout, Cutthroat Trout, Golden Trout, Lake Trout, Rainbow Trout, and Steelhead.
What is the brook trout limit on Merry Lake?
Brook Trout must be at least 18" to keep on Merry Lake, and the daily bag limit is 1. Season: Mar 1 – Nov 30.
What is the brown trout limit on Merry Lake?
Brown Trout must be at least 18" to keep on Merry Lake, and the daily bag limit is 1. Season: Mar 1 – Nov 30.
What is the cutthroat trout limit on Merry Lake?
Cutthroat Trout must be at least 18" to keep on Merry Lake, and the daily bag limit is 1. Season: Mar 1 – Nov 30.
Do Washington statewide fishing rules apply on Merry Lake?
Where Merry 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 Merry 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.






