A “Grown-ups in the Park Social” will be held from 10 to 11:30 a.m. Saturday in the Discovery Center at Oakwoods Nature Preserve.

Hosted by the Hancock Park District, there will be Culver’s custard cups, cookies, a short hike in the park, a nature film and birdwatching. A craft will also be available.

Participants must be at least 50 years old.

The program is free, but registration is required by 1 p.m. Friday either online at www.HancockParks.com, or by calling the park district office at 419-425-7275.