Here's one. But there are many. Click original link above for the masterlist.

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Free Fishing Clinic in South Otselic - Saturday, May 21
Learn how to fish for free at this sport fishing clinic organized and conducted by DEC and numerous other organizations. In addition to having fun while fishing, participants can learn about fish identification, fishing equipment and techniques, fisheries management, angling ethics, aquatic ecology, and more! During these clinics, no freshwater fishing license or enrollment in the recreational marine fishing registry is required, but all other statewide fishing regulations remain in effect.

Additional details for this event can be found on the Otselic Valley Fishing and Heritage Association website (Ovfish.org).

More locations for upcoming fishing clinics are available on DEC's website (Dec.ny.gov).