National Old Rock Day

Enjoy a day of learning about old rocks on National Old Rock Day. We will discuss what makes a rock old and the oldest rock to be found. Old and young rock hounds are welcome to share an old rock story with others. Each visitor will get an old rock to take home.

Oakwoods Nature Preserve
Discovery Center
3-6 PM

All ages are welcome.
Free; registration is not required.

Chris Allen
callen@hancockparks.com