Wyoming Fishing

Boulder Lake Reservoir Number 4

The first-rate Reservoir environment at Boulder Lake Reservoir Number 4 in western Wyoming supports quality fishing. Boulder Lake Reservoir Number 4 is located near western Wyoming at coordinates 42.77, -109.63. The first-rate reservoir offers depth variation and structure that Largemouth Bass rely on. Local anglers frequently report success with Largemouth Bass, Crappie, Catfish at Boulder Lake Reservoir Number 4.

Reservoir Wyoming 42.7700, -109.6300
Updated 2026-04-29

Location

View on Google Maps 42.7700, -109.6300

Fishing Tips

  • Focus on dam structure during dawn when Largemouth Bass are active.
  • Focus on grass beds during early morning when Largemouth Bass are active.
  • Focus on timber stands during late evening when Largemouth Bass are active.

Fishing Techniques for Boulder Lake Reservoir Number 4

Focus your efforts around natural structure: points, submerged timber, weed edges, and rocky areas tend to hold fish in Wyoming reservoirs. 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 Boulder Lake Reservoir Number 4

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

Current Wyoming license mandatory. Wyoming Game and Fish Department maintains regulations on their website.

Fishing Tips for Boulder Lake Reservoir Number 4

Frequently Asked Questions

Yes, Boulder Lake Reservoir Number 4 typically offers road access and parking for anglers.

Depth varies across Boulder Lake Reservoir Number 4. Scout shallow areas and deeper channels for best results.