Heidecke Lake

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

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

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)

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