South Dakota Fishing

Cobblestone Reservoir

The scenic Reservoir of Cobblestone Reservoir in western South Dakota delivers superior fishing opportunities. Cobblestone Reservoir is located near western South Dakota at coordinates 45.81, -103.46. The superior reservoir offers depth variation and structure that Largemouth Bass rely on. Local anglers frequently report success with Largemouth Bass, Crappie, Catfish at Cobblestone Reservoir.

Reservoir South Dakota 45.8100, -103.4600
Updated 2026-04-29

Location

View on Google Maps 45.8100, -103.4600

Target Species

Largemouth BassLargemouth BassCrappieCrappieCatfishCatfish

Fishing Tips

  • Focus on dam structure during early morning when Largemouth Bass are active.
  • Focus on submerged ridges during sunset hours when Largemouth Bass are active.
  • Focus on timber stands during dusk when Largemouth Bass are active.

Fishing Techniques for Cobblestone Reservoir

Medium-action spinning gear paired with 8-12 lb test line covers most situations at this reservoir. Soft plastics, crankbaits, and live bait rigs all produce consistent results depending on conditions. For Largemouth Bass, try matching the local forage — shad, bluegill, or crawfish patterns work well here.

What to Expect at Cobblestone Reservoir

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 reservoir 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 Cobblestone Reservoir

Ash Tree Reservoir

Davis Draw Reservoir

High and Dry Reservoir

Frequently Asked Questions

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

Cobblestone Reservoir is open to public fishing. Respect property rights and follow local regulations.

spring spawn offers excellent Largemouth Bass fishing. Water conditions peak during this period.