New Mexico Fishing

Costilla Reservoir

In western New Mexico, Costilla Reservoir is recognized as a thriving Lake that attracts serious fishing enthusiasts. Costilla Reservoir is located near western New Mexico at coordinates 36.88, -105.27. The thriving lake provides stable water levels and diverse habitat for Rainbow Trout, Largemouth Bass, Kokanee Salmon. Local anglers frequently report success with Rainbow Trout, Largemouth Bass, Kokanee Salmon at Costilla Reservoir.

Lake New Mexico 36.8800, -105.2700
Updated 2026-04-29

Location

View on Google Maps 36.8800, -105.2700

Fishing Tips

  • Focus on shallow flats during early morning when Rainbow Trout are active.
  • During summer heat, focus on areas where rock humps concentrates Rainbow Trout.
  • Focus on rock humps during first light when Rainbow Trout are active.

Fishing Techniques for Costilla Reservoir

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 Rainbow Trout, try matching the local forage — shad, bluegill, or crawfish patterns work well here.

What to Expect at Costilla 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 lake changes with the seasons, so repeat visits often reveal new patterns and productive spots you missed before.

Regulations

New Mexico fishing license required. Verify regulations with New Mexico Department of Game and Fish before fishing.

Fishing Tips for Costilla Reservoir

Frequently Asked Questions

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

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

summer heat offers excellent Rainbow Trout fishing. Water conditions peak during this period.