Colorado Fishing

Big Flannery Reservoir

Big Flannery Reservoir stands out as a exceptional Reservoir in western Colorado for serious Largemouth Bass, Crappie, Catfish fishing. Big Flannery Reservoir is located near western Colorado at coordinates 37.77, -104.26. The exceptional reservoir offers depth variation and structure that Largemouth Bass rely on. Local anglers frequently report success with Largemouth Bass, Crappie, Catfish at Big Flannery Reservoir.

Reservoir Colorado 37.7700, -104.2600
Updated 2026-04-29

Location

View on Google Maps 37.7700, -104.2600

Target Species

Largemouth BassLargemouth BassCrappieCrappieCatfishCatfish

Fishing Tips

  • Focus on primary points during late evening when Largemouth Bass are active.
  • Focus on main lake channel during first light when Largemouth Bass are active.
  • Focus on grass beds during late evening when Largemouth Bass are active.

Fishing Techniques for Big Flannery Reservoir

Bank anglers can find productive water along accessible shoreline areas, while boat access opens up deeper structure and open water. Kayak and canoe fishing is also popular here. Bring a mix of topwater for early morning, moving baits for midday, and finesse rigs for pressured conditions.

What to Expect at Big Flannery 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 Colorado fishing license is required. Check Colorado Parks and Wildlife for current regulations.

Fishing Tips for Big Flannery Reservoir

Altman Reservoir

Baldwin Reservoir

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Frequently Asked Questions

Depth varies across Big Flannery Reservoir. Scout shallow areas and deeper channels for best results.

Many areas of Big Flannery Reservoir allow wade fishing. Check conditions and regulations before heading out.