Lake County · lake · 152 acres
Diamond Lake
Stocked 6× since 2021 · Illinois DNR
Diamond Lake is a lake in Lake County, Illinois, stocked with Channel Catfish and Muskellunge — most recently on Jan 1, 2025. FishableWaters aggregates every stocking record for this water from Illinois DNR; the latest schedule and today's bite windows are above.
Best days this week
Days near a new or full moon tend to fish best.
Today's bite windows
Conditions, next 3 days
Today
Drizzle
79°
66°
14 mph
64%
Sat
Rain
71°
66°
16 mph
85%
Sun
Drizzle
73°
61°
15 mph
24%
↘ pressure fallingFalling pressure ahead of a front often turns the bite on.
Stocking ledger
| — 2025 — | ||||
| Jan 1 | Channel Catfish | 752 | 5.5" | |
| Jan 1 | Muskellunge | 100 | ||
| — 2023 — | ||||
| Jan 1 | Channel Catfish | 758 | 9" | |
| Jan 1 | Muskellunge | 100 | ||
| — 2021 — | ||||
| Jan 1 | Channel Catfish | 780 | 9" | |
| Jan 1 | Muskellunge | 120 | ||
Angler reports
What's biting
No reports yet — be the first
Best bite times
No reports yet
Field notes
No notes yet
All Illinois waters with channel catfish → · All Illinois waters with muskellunge →
Nearby waters
- Countryside Lake1.2 mi
- Loch Lomond2.0 mi
- Saint Marys Lake2.3 mi
- Sylvan Lake2.1 mi
- Countryside Lake2.1 mi
- Lake Charles2.2 mi
- Big Bear Lake2.3 mi
- Little Bear Lake2.3 mi
Seasons, limits, and rules are the state's call — check the official IL regulations and buy your license before you go. We link the source; we never restate the rules.
Diamond Lake fishing — FAQ
What fish are stocked in Diamond Lake?+
Diamond Lake is stocked with Channel Catfish and Muskellunge in Lake County, Illinois, most recently on Jan 1, 2025 by Illinois DNR. The full stocking ledger is on this page.
When does Diamond Lake get stocked?+
Going by 6 records since 2021, stocking at Diamond Lake peaks in January. Check this page for the season's scheduled and most recent stockings.
Do I need a license to fish Diamond Lake?+
Yes — Illinois requires a fishing license. Buy one from the state and check current seasons and limits before you go; both are linked on this page.
Where is Diamond Lake?+
Diamond Lake is a lake in Lake County, Illinois. Driving directions and an interactive topo map are on this page.
Data: Illinois DNR · updated Jan 1, 2025 · checked daily · we publish what agencies publish, nothing else.