Heidecke Lake

Reservoir. Illinois, United States.
41.3749, -88.3465 — View on the map

Area
791 ha
Managed by
Illinois Department of Natural Resources (fisheries)
Permit required
Illinois fishing license (IDNR)
Step-free access
yes
Boat launch
yes

Useful gear for this area

Chosen from the species and size limits regulated in this area.

Species present

IDNR ifishillinois.org fishing outlook species

Local rules

IDNR 2026 fishing outlook: Channel Catfish Poor; Smallmouth Bass Very Good; Crappie spp. Very Good; Striped Bass x White Bass (Wiper) Good; White Bass Good; Walleye Very Good; Muskellunge Very Good; Yellow Bass Good; Bluegill Good; Largemouth Bass Poor. Not mapped: Striped Bass x White Bass (Wiper), Yellow Bass. Site-Specific Fishing Regulations: Recreational Use Restriction: Waterfowl Refuge or Hunting Area (see above) All Fish: 2 pole and line fishing only and each pole must not have more than 2 hooks or lures attached while fishing All live bait greater than 8 inches must be rigged with a quick set rig Channel Catfish: 6 Fish Daily Harvest Limit Large or Smallmouth Bass: 15 inch Minimum Length Limit; 3 Fish Daily Harvest Limit Muskie: 48 inch Minimum Length Limit; 1 Fish Daily Harvest Limit Striped, White, or Hybrid Striped Bass: 10 Fish Daily Harvest Limit with no more than 3 fish greater than or equal to 17 inches Walleye, Sauger, or Hybrid Walleye: 16 inch Minimum Length Limit; 3 Fish

Area rules (Illinois) for these species

Walleye, sauger, saugeye35.6 cm
Muskellunge and tiger muskie91.4 cm

2026 season calendar

Access

Handicap Access: Yes; Boat Fishing: Yes - Unrestricted; Boat Ramps: Yes

Official sources

  1. Heidecke Lake — ifishillinois.org (IDNR) (accessed on 23 September 2026)