South Dakota Fishing

Dewey Lake

Experience the legendary Lake fishing at Dewey Lake in western South Dakota, where Largemouth Bass are abundant. Dewey Lake is located near western South Dakota at coordinates 42.54, -100.64. The legendary lake provides stable water levels and diverse habitat for Largemouth Bass, Walleye, Northern Pike. Local anglers frequently report success with Largemouth Bass, Walleye, Northern Pike at Dewey Lake.

Lake South Dakota 42.5400, -100.6400
Updated 2026-04-29

Location

View on Google Maps 42.5400, -100.6400

Target Species

Largemouth BassLargemouth BassWalleyeWalleyeNorthern PikeNorthern Pike

Fishing Tips

  • Focus on shallow flats during sunset hours when Largemouth Bass are active.
  • Focus on bridge pilings during first light when Largemouth Bass are active.
  • Focus on shoreline drop-offs during dawn when Largemouth Bass are active.

Fishing Techniques for Dewey Lake

Focus your efforts around natural structure: points, submerged timber, weed edges, and rocky areas tend to hold fish in South Dakota lakes. Dawn and dusk are peak feeding windows, especially during warmer months when fish move shallow. A varied approach — starting fast to locate active fish, then slowing down — pays off.

What to Expect at Dewey Lake

Take time to read the water when you arrive — baitfish activity, bird movement, and surface disturbances all signal where fish are feeding. The character of this lake changes with the seasons, so repeat visits often reveal new patterns and productive spots you missed before.

Regulations

A valid South Dakota fishing license is required. Check South Dakota Game, Fish and Parks for current regulations.

Fishing Tips for Dewey Lake

Hackberry Lake

McKeel Lake

Baker Lake

Frequently Asked Questions

Dewey Lake typically provides adequate parking for anglers. Arrive early during peak seasons.

Always wear life jackets on boats. Check weather forecasts and water conditions before fishing.

Dewey Lake is open to public fishing. Respect property rights and follow local regulations.