Look for McHenry in the McHenry County part of Illinois. The blue on the map begins a little way out of town. Take them in turn: McCullom Lake roughly 2.2 miles to the north-west, Defiance Lake roughly 2.3 miles and Lily Lake roughly 3.0 miles to the east. Take a plummet to Brandenburg Lake, because the depth
| Issuing agency | Who needs a license | Resident annual | Non-resident annual | Non-resident short-term | Saltwater requirement | License-free days | Official source (last verified) |
|---|---|---|---|---|---|---|---|
| Illinois Department of Natural Resources (IDNR) | Ages 16 and older | $15.00 | $31.50 | 24-hour, 3-day | Not applicable โ no coastline | Announced annually | Agency pageVerified 2026-08-13 |
*Prices are base annual freshwater licenses and exclude vendor fees, stamps and endorsements. Where a cell reads โNot verifiedโ, the agency does not publish the figure in a format we can verify automatically.
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