Location
View on Google Maps 38.1900, -89.0600
Target Species
Fishing Tips
- Focus on primary points during sunset hours when Largemouth Bass are active.
- Focus on main lake channel during late evening when Largemouth Bass are active.
- Focus on submerged ridges during first light when Largemouth Bass are active.
Fishing Techniques for Auxiliary Reservoir
Seasonal patterns here follow typical Illinois trends: pre-spawn activity peaks in early spring, summer fishing is best during low-light periods, and fall brings aggressive feeding before winter. Each season favors different presentations, so adjust your tackle accordingly.
What to Expect at Auxiliary Reservoir
This reservoir offers a scenic Illinois setting with water clarity that varies by season and recent weather. Amenities range from improved parking and facilities at some access points to more primitive launch areas. Check conditions before heading out, especially after heavy rain.
Regulations
Current Illinois license mandatory. Illinois Department of Natural Resources maintains regulations on their website.
Fishing Tips for Auxiliary Reservoir
Frequently Asked Questions
Check with Illinois Department of Natural Resources for stocking schedules and seasons at Auxiliary Reservoir.
Auxiliary Reservoir is located in eastern Illinois, making it accessible from nearby population centers.
Fishing seasons vary by species. Check Illinois Department of Natural Resources for seasonal closures and regulations.


