
Mary Ann Lake Fishing Regulations
Okanogan County, Washington · 2026 size limits, bag limits, and seasons
Mary Ann Lake is a lake in Okanogan County, Washington. It has its own fishing regulations for 1 species, including Brook Trout. These rules replace Washington's statewide limits on this water.
Map of Mary Ann Lake

Fish with special rules on Mary Ann Lake
Tap a fish for identification tips, size records, and the best bait.
Mary Ann Lake limits by species (2026)
| Species | Size limit | Daily bag | Season |
|---|---|---|---|
| – | – | Year-round |
– means no limit is listed for this water. Rules not shown here follow Washington's statewide regulations.
Plan your Mary Ann Lake trip
Mary Ann Lake fishing: common questions
What fish have special regulations on Mary Ann Lake?
1 species has rules specific to Mary Ann Lake: Brook Trout.
What is the brook trout limit on Mary Ann Lake?
No size limit is listed for Brook Trout on Mary Ann Lake.
Do Washington statewide fishing rules apply on Mary Ann Lake?
Where Mary Ann 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 Mary Ann 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.
