Best smallmouth bass lakes in Iowa
43 Iowa waters hold smallmouth bass, 37 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.
- West Okoboji Lake — 135 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, Crappie
- Cedar River — 10 ft max · Smallmouth Bass, Walleye, Channel Catfish, Flathead Catfish
- Spirit Lake — 22 ft max · survey depth data · Smallmouth Bass, Walleye, Northern Pike, Crappie
- Wapsipinicon River — 10 ft max · Smallmouth Bass, Walleye, Channel Catfish, Common Carp
- Five Island Lake — 22 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
- Little River Watershed Lake — 32 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
- Upper Iowa River — 6 ft max · Smallmouth Bass, Walleye, Channel Catfish, Rainbow Trout
- Green Valley Lake — 22 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
- Maquoketa River — 6 ft max · Smallmouth Bass, Walleye, Northern Pike, Channel Catfish
- Lost Grove Lake — 48 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
- Carter Lake — 24 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
- Lake Belva Deer — 40 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
- Big Hollow Lake — 44 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
- Turkey River — 9 ft max · Smallmouth Bass, Walleye, Channel Catfish
- Lake Geode — 39 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
- Shell Rock River — 8 ft max · Smallmouth Bass, Walleye, Channel Catfish, Common Carp
- Hawthorn Lake — 28 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
- Centerville Upper Reservoir — 30 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
- Don Williams Lake — 36 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
- Hickory Grove Lake — 32 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
- Red Haw Lake — 36 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
- Lake of Three Fires — 22 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
- Iowa Lake (Iowa Co.) — 28 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
- Beeds Lake — 22 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
- Nine Eagles Lake — 30 ft max · survey depth data · Largemouth Bass, Smallmouth Bass, Walleye, White Bass
…plus 18 more Iowa waters holding smallmouth bass.
When to fish smallmouth bass in Iowa
- 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 Iowa: best largemouth bass lakes · best walleye lakes · best white bass lakes · best northern pike lakes · best crappie lakes · best bluegill lakes · best channel catfish lakes · best muskellunge lakes · best yellow perch lakes · best flathead catfish lakes · best freshwater drum lakes · best common carp lakes
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