Governor Dick Environmental Center, 3283 Pinch Road, Mount Gretna, will offer a self-led Discovery Hike on Saturday, July 17, from 10:30 a.m. to 3:30 p.m. Participants should stop by the office for the supplies needed for the hike.

The activity is free and suitable for people of all ages. Preregistration is required by contacting 717-964-3808 or governordick@hotmail.com and providing a name and phone number.