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Best largemouth bass lakes in Washington

174 Washington waters list largemouth bass (official records or labelled estimates), 170 mapped with survey or official-chart depth data. Ranked below by size and depth-data quality, leading with the waters in our reviewed search catalog — open any water to see exactly where to fish it: depth contours, scored spots with plain-English reasons, seasonal windows and bait picks. Ambush predator that relates to cover — weeds, timber, docks — and moves shallow to feed.

1. Lake Chelan — 1400 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Rainbow Trout, Chinook SalmonWhy #1: survey-backed contours receive the ranking's data-quality boost · 11 public access sites
2. Moses Lake — 36 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, CrappieWhy #2: survey-backed contours receive the ranking's data-quality boost · 1 public access site
3. Lake Washington — 214 ft max · Largemouth Bass, Smallmouth Bass, Crappie, Yellow PerchWhy #3: mapped size signal; contours are approximated · no verified access record attached
4. Ozette Lake — 320 ft max · real survey depth contours · Largemouth Bass, Yellow PerchWhy #4: survey-backed contours receive the ranking's data-quality boost · 3 public access sites
5. Potholes Reservoir — 142 ft max · Largemouth Bass, Smallmouth Bass, Walleye, CrappieWhy #5: mapped size signal; contours are approximated · no verified access record attached
6. Riffe Lake — 360 ft max · Largemouth Bass, Smallmouth Bass, Crappie, BluegillWhy #6: mapped size signal; contours are approximated · no verified access record attached
7. Lake Sammamish — 25 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Crappie, Rainbow TroutWhy #7: survey-backed contours receive the ranking's data-quality boost · 11 public access sites
8. Osoyoos Lake — 208 ft max · Largemouth Bass, Smallmouth Bass, Crappie, Rainbow TroutWhy #8: mapped size signal; contours are approximated · 10 public access sites
9. Osoyoos Lake — 75 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Crappie, Rainbow TroutWhy #9: survey-backed contours receive the ranking's data-quality boost · 1 public access site
10. Sprague Lake — 15 ft max · real survey depth contours · Largemouth Bass, Crappie, Bluegill, Channel CatfishWhy #10: survey-backed contours receive the ranking's data-quality boost · 1 public access site
11. Lake Tapps — 80 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Crappie, Rainbow TroutWhy #11: survey-backed contours receive the ranking's data-quality boost · 4 public access sites
12. Silver Lake — 10 ft max · real survey depth contours · Largemouth Bass, Crappie, Bluegill, Rainbow TroutWhy #12: survey-backed contours receive the ranking's data-quality boost · 1 public access site
13. Palmer Lake — 70 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Crappie, BluegillWhy #13: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
14. Curlew Lake — 120 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Rainbow Trout, MuskellungeWhy #14: survey-backed contours receive the ranking's data-quality boost · 4 public access sites
15. Lacamas Lake — 65 ft max · real survey depth contours · Largemouth Bass, Crappie, Bluegill, Rainbow TroutWhy #15: survey-backed contours receive the ranking's data-quality boost · 2 public access sites
16. Deer Lake — 75 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Crappie, Rainbow TroutWhy #16: survey-backed contours receive the ranking's data-quality boost · 1 public access site
17. Lake Stevens — 150 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Crappie, Rainbow TroutWhy #17: survey-backed contours receive the ranking's data-quality boost · 1 public access site
18. Eloika Lake — 15 ft max · real survey depth contours · Largemouth Bass, Crappie, Yellow Perch, Brown TroutWhy #18: survey-backed contours receive the ranking's data-quality boost · 1 public access site
19. Mason Lake — 90 ft max · real survey depth contours · Largemouth Bass, Rainbow Trout, Yellow Perch, KokaneeWhy #19: survey-backed contours receive the ranking's data-quality boost · 1 public access site
20. Black Lake — 28 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Crappie, BluegillWhy #20: survey-backed contours receive the ranking's data-quality boost · 1 public access site
21. American Lake — 90 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Crappie, Rainbow TroutWhy #21: survey-backed contours receive the ranking's data-quality boost · 1 public access site
22. Diamond Lake — 55 ft max · real survey depth contours · Largemouth Bass, Crappie, Rainbow Trout, Yellow PerchWhy #22: survey-backed contours receive the ranking's data-quality boost · 1 public access site
23. Lake Goodwin — 50 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Crappie, BluegillWhy #23: survey-backed contours receive the ranking's data-quality boost · 1 public access site
24. Long Lake — 20 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Crappie, BluegillWhy #24: survey-backed contours receive the ranking's data-quality boost · 1 public access site
25. Liberty Lake — 30 ft max · real survey depth contours · Largemouth Bass, Smallmouth Bass, Walleye, CrappieWhy #25: survey-backed contours receive the ranking's data-quality boost · 1 public access site

…plus 149 more Washington waters holding largemouth bass.

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When to fish largemouth bass in Washington

• Spring 2–10 ft — Pre-spawn through spawn: target shallow flats, pockets and cover near deep access.
• Summer 8–20 ft — Fish the edges: weedlines, drop-offs, and deep cover close to shallow feeding areas.
• Fall 4–15 ft — Follow the baitfish: points and creek channels leading into pockets.
• Winter 15–35 ft — Slow and deep: steep drops and channel bends near wintering basins.

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