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Best brown trout lakes in Washington

26 Washington waters hold brown trout, 26 mapped with real state-agency depth surveys. Ranked below by size and depth-data quality — open any water to see exactly where to fish it: depth contours, scored spots with plain-English reasons, seasonal windows and bait picks. Wary, nocturnal-leaning predator. Shorelines and inflows in cold months; the thermocline in summer.

1. Eloika Lake — 15 ft max · survey depth data · Brown Trout
2. Diamond Lake — 55 ft max · survey depth data · Rainbow Trout, Brown Trout, Cutthroat Trout
3. Spectacle Lake — 55 ft max · survey depth data · Rainbow Trout, Brown Trout, Kokanee
4. Summit Lake — 100 ft max · survey depth data · Rainbow Trout, Brown Trout, Brook Trout, Kokanee
5. Park Lake — 85 ft max · survey depth data · Rainbow Trout, Brown Trout
6. Merrill Lake — 77 ft max · survey depth data · Rainbow Trout, Brown Trout, Brook Trout
7. Waitts Lake — 65 ft max · survey depth data · Largemouth Bass, Crappie, Rainbow Trout, Yellow Perch
8. Mineral Lake — 35 ft max · survey depth data · Rainbow Trout, Brown Trout
9. Lake Lawrence — 25 ft max · survey depth data · Channel Catfish, Rainbow Trout, Brown Trout
10. Bonaparte Lake — 110 ft max · survey depth data · Rainbow Trout, Brown Trout, Brook Trout, Kokanee
11. Spanaway Lake — 25 ft max · survey depth data · Rainbow Trout, Brown Trout
12. Offutt Lake — 25 ft max · survey depth data · Rainbow Trout, Brown Trout, Cutthroat Trout
13. Patterson Lake — 85 ft max · survey depth data · Rainbow Trout, Brown Trout, Brook Trout, Kokanee
14. Roses Lake — 30 ft max · survey depth data · Channel Catfish, Rainbow Trout, Brown Trout
15. Cranberry Lake — 25 ft max · survey depth data · Rainbow Trout, Brown Trout
16. Medical Lake — 60 ft max · survey depth data · Rainbow Trout, Brown Trout
17. Pass Lake — 20 ft max · survey depth data · Rainbow Trout, Brown Trout
18. Hicks Lake — 35 ft max · survey depth data · Rainbow Trout, Brown Trout
19. Florence Lake — 30 ft max · survey depth data · Rainbow Trout, Brown Trout
20. Jumpoff Joe Lake — 20 ft max · survey depth data · Rainbow Trout, Brown Trout
21. Bay Lake — 11 ft max · survey depth data · Rainbow Trout, Brown Trout
22. Chambers Lake — 8 ft max · survey depth data · Channel Catfish, Brown Trout
23. Beaver Lake — 10 ft max · survey depth data · Rainbow Trout, Brown Trout, Kokanee, Cutthroat Trout
24. Rapjohn Lake — 18 ft max · survey depth data · Rainbow Trout, Brown Trout
25. Aeneas Lake — 60 ft max · survey depth data · Rainbow Trout, Brown Trout

…plus 1 more Washington waters holding brown trout.

When to fish brown trout in Washington

• Spring 3–25 ft — Cold-water browns hug shorelines, river mouths and mud lines — often in a few feet of water early and late.
• Summer 25–60 ft — Browns sit at the thermocline by day and slide shallow after dark — the night troll takes the giants.
• Fall 5–30 ft — Spawn-run browns stage off tributaries and gravel shorelines, aggressive and territorial.
• Winter 5–35 ft — Browns feed all winter — nearshore when bait is in, deeper breaks otherwise.

Also in Washington: best largemouth bass lakes · best smallmouth bass lakes · best crappie lakes · best bluegill lakes · best channel catfish lakes · best rainbow trout lakes · best yellow perch lakes · best common carp lakes · best chinook salmon lakes · best coho salmon lakes · best brook trout lakes · best kokanee lakes · best cutthroat trout lakes

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