Mattoon Lake Fishing Regulations
Kittitas County, Washington · 2026 size limits, bag limits, and seasons
Mattoon Lake is a lake in Kittitas County, Washington. It has its own fishing regulations. These rules replace Washington's statewide limits on this water.
1 species with limits
Map of Mattoon Lake
Mattoon Lake limits by species (2026)
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
| All Fish SpeciesMotors prohibited: internal combustion | – | – | Always open |
– means no limit is listed for this water. Rules not shown here follow Washington's statewide regulations.
Plan your Mattoon Lake trip
Mattoon Lake fishing: common questions
Do Washington statewide fishing rules apply on Mattoon Lake?
Where Mattoon 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 Mattoon 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.