Riffe Lake Fishing Regulations
Lewis County, Washington · 2026 size limits, bag limits, and seasons
Riffe Lake is a lake in Lewis County, Washington. It has its own fishing regulations for 5 species, including Atlantic Salmon, Chinook Salmon, Coho Salmon, and Pink Salmon, set separately for 2 sections of the lake. These rules replace Washington's statewide limits on this water.
Map of Riffe Lake
Fish with special rules on Riffe Lake
Tap a fish for identification tips, size records, and the best bait.
Riffe Lake limits by species (2026)
From Mossyrock Dam to Lewis County PUD safety signs located approx. 800' below Cowlitz Falls Dam
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
| All Fish SpeciesIt is permissible to fish up to the base of Swofford Pond Dam. | – | – | Always open |
 Atlantic SalmonLandlocked salmon rules. | – | – | Year-round |
 Chinook SalmonLandlocked salmon rules. | – | – | Year-round |
 Coho SalmonLandlocked salmon rules. | – | – | Year-round |
 Pink SalmonLandlocked salmon rules. | – | – | Year-round |
 Sockeye SalmonLandlocked salmon rules. | – | – | Year-round |
From Cowlitz Falls Dam downstream to the Lewis Co. PUD safety signs located about 800' below the dam
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
| All Fish Species | – | – | Year-round · Closed |
– means no limit is listed for this water. Rules not shown here follow Washington's statewide regulations.
Plan your Riffe Lake trip
Riffe Lake fishing: common questions
What fish have special regulations on Riffe Lake?
5 species have rules specific to Riffe Lake: Atlantic Salmon, Chinook Salmon, Coho Salmon, Pink Salmon, and Sockeye Salmon.
What is the atlantic salmon limit on Riffe Lake?
No size limit is listed for Atlantic Salmon on Riffe Lake (from Mossyrock Dam to Lewis County PUD safety signs located approx. 800' below Cowlitz Falls Dam).
What is the chinook salmon limit on Riffe Lake?
No size limit is listed for Chinook Salmon on Riffe Lake (from Mossyrock Dam to Lewis County PUD safety signs located approx. 800' below Cowlitz Falls Dam).
What is the coho salmon limit on Riffe Lake?
No size limit is listed for Coho Salmon on Riffe Lake (from Mossyrock Dam to Lewis County PUD safety signs located approx. 800' below Cowlitz Falls Dam).
Do Washington statewide fishing rules apply on Riffe Lake?
Where Riffe 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 Riffe Lake rules on the water
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