Lake Forest belongs to Lake County, Illinois. Water lies on more than one side of the place. Counting outwards from town: West Lake 2.7 miles off to the west, Lucky Lake 3.1 miles off, Lambs Lake 3.8 miles off to the west, Minear Lake 5.8 miles off plus Harvey Lake 6.0 miles off to the west. The bank at Lambs
| 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 — 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 “Not verified”, the agency does not publish the figure in a format we can verify automatically.
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