Best smallmouth bass lakes in Wyoming
6 Wyoming waters hold smallmouth bass, 2 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. Current- and rock-loving fighter. Lives around gravel, boulders and hard-bottom structure.
- Flaming Gorge Reservoir — 436 ft max · Smallmouth Bass, Channel Catfish, Rainbow Trout, Common CarpWhy #1: mapped size signal; contours are approximated · 5 public access sites
- Boysen Reservoir — 107 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, SaugerWhy #2: survey-backed contours receive the ranking's data-quality boost · 6 public access sites
- Keyhole Reservoir — 74 ft max · survey depth data · Smallmouth Bass, Walleye, Northern Pike, CrappieWhy #3: survey-backed contours receive the ranking's data-quality boost · 1 public access site
- Grayrocks Reservoir — 74 ft max · Largemouth Bass, Smallmouth Bass, Walleye, CrappieWhy #4: mapped size signal; contours are approximated · no verified access record attached
- Lak Reservoir — 41 ft max · Smallmouth Bass, Walleye, Crappie, MuskellungeWhy #5: mapped size signal; contours are approximated · no verified access record attached
- Sloans Lake — 13 ft max · Largemouth Bass, Smallmouth Bass, Crappie, BluegillWhy #6: mapped size signal; contours are approximated · no verified access record attached
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How to use this ranking
The order is a map-planning ranking, not a claim about today's fish population. It favors larger mapped waters and gives survey-backed contours a three-times data-quality boost. Agency population surveys, current regulations, access and recent conditions should make the final decision.
Compare maximum depth across 37,233 lake records · See Wyoming waters with public access data
When to fish smallmouth bass in Wyoming
- Spring 3–12 ft — Gravel and rock flats near deep water; spawning happens on hard bottom.
- Summer 10–30 ft — Offshore rock humps and deep points; smallmouth suspend near bait.
- Fall 8–25 ft — Feeding hard for winter — long tapering points and rocky drops.
- Winter 20–45 ft — Deep, vertical presentations near rocky wintering holes.
Also in Wyoming: best largemouth bass lakes · best walleye lakes · best crappie lakes · best bluegill lakes · best channel catfish lakes · best rainbow trout lakes · best muskellunge lakes · best yellow perch lakes · best lake trout lakes · best brown trout lakes · best brook trout lakes · best kokanee lakes · best lake whitefish lakes · best burbot lakes · best arctic grayling lakes · best cutthroat trout lakes · best splake lakes · best pumpkinseed lakes
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