North Dakota Fishing

O'Brien Lake

Experience the first-rate Lake fishing at O'Brien Lake in western North Dakota, where Largemouth Bass are abundant. O'Brien Lake is located near western North Dakota at coordinates 47.27, -100.38. The first-rate 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 O'Brien Lake.

Lake North Dakota 47.2700, -100.3800
Updated 2026-04-29

Location

View on Google Maps 47.2700, -100.3800

Fishing Tips

  • Focus on submerged timber during early morning when Largemouth Bass are active.
  • Focus on dam faces during late evening when Largemouth Bass are active.
  • Focus on lily pads during sunset hours when Largemouth Bass are active.

Fishing Techniques for O'Brien Lake

Medium-action spinning gear paired with 8-12 lb test line covers most situations at this lake. 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 O'Brien 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 North Dakota fishing license is required. Check North Dakota Game and Fish Department for current regulations.

Fishing Tips for O'Brien Lake

Frequently Asked Questions

O'Brien 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.

O'Brien Lake is open to public fishing. Respect property rights and follow local regulations.