
Haven Lake Fishing Regulations
Mason County, Washington · 2026 size limits, bag limits, and seasons
Haven Lake is a lake in Mason County, Washington. It has its own fishing regulations for 4 species, including Channel Catfish, Largemouth Bass, Smallmouth Bass, and Walleye. These rules replace Washington's statewide limits on this water.
Map of Haven Lake

Fish with special rules on Haven Lake
Tap a fish for identification tips, size records, and the best bait.
Haven Lake limits by species (2026)
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
| – | 10 | Apr 1 – Oct 31 · From 4th Sat. in April | |
| 12" max | 10 | Apr 1 – Oct 31 · From 4th Sat. in April | |
| – | 15 | Apr 1 – Oct 31 · From 4th Sat. in April | |
| – | 16 | Apr 1 – Oct 31 · From 4th Sat. in April |
– means no limit is listed for this water. Rules not shown here follow Washington's statewide regulations.
Plan your Haven Lake trip
Haven Lake fishing: common questions
What fish have special regulations on Haven Lake?
4 species have rules specific to Haven Lake: Channel Catfish, Largemouth Bass, Smallmouth Bass, and Walleye.
What is the channel catfish limit on Haven Lake?
No size limit is listed for Channel Catfish on Haven Lake, and the daily bag limit is 10. Season: Apr 1 – Oct 31 · From 4th Sat. in April.
What is the largemouth bass limit on Haven Lake?
Largemouth Bass have a maximum size of 12" on Haven Lake, and the daily bag limit is 10. Season: Apr 1 – Oct 31 · From 4th Sat. in April.
What is the smallmouth bass limit on Haven Lake?
No size limit is listed for Smallmouth Bass on Haven Lake, and the daily bag limit is 15. Season: Apr 1 – Oct 31 · From 4th Sat. in April.
Do Washington statewide fishing rules apply on Haven Lake?
Where Haven 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 Haven 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.



