South Dakota Fishing

Allyn Reservoir

Located in central South Dakota, Allyn Reservoir offers diverse opportunities for South Dakota fishing enthusiasts. Allyn Reservoir is located near central South Dakota at coordinates 42.84, -99.10. The diverse reservoir offers depth variation and structure that Largemouth Bass rely on. Local anglers frequently report success with Largemouth Bass, Crappie, Catfish at Allyn Reservoir.

Reservoir South Dakota 42.8400, -99.1000
Updated 2026-04-29

Location

View on Google Maps 42.8400, -99.1000

Target Species

Largemouth BassLargemouth BassCrappieCrappieCatfishCatfish

Fishing Tips

  • Focus on submerged ridges during early morning when Largemouth Bass are active.
  • Focus on main lake channel during sunset hours when Largemouth Bass are active.
  • Focus on dam structure during dawn when Largemouth Bass are active.

Fishing Techniques for Allyn Reservoir

Seasonal patterns here follow typical South Dakota trends: pre-spawn activity peaks in early spring, summer fishing is best during low-light periods, and fall brings aggressive feeding before winter. Each season favors different presentations, so adjust your tackle accordingly.

What to Expect at Allyn Reservoir

Fishing pressure is moderate year-round, peaking on weekends and holidays from spring through fall. Weekday trips typically mean fewer crowds and better fishing. The ecosystem here supports healthy populations of Largemouth Bass and Crappie, with good catch rates for prepared anglers.

Regulations

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

Fishing Tips for Allyn Reservoir

MMK Reservoir Number 1

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Frequently Asked Questions

Check with South Dakota Game, Fish and Parks for specific regulations. Common restrictions include slot limits and bag limits.

Largemouth Bass here respond well to both live bait and artificial lures. Focus on structure.

Many anglers access Allyn Reservoir by boat. Verify local access restrictions before your trip.