Governor Dick Environmental Center, 3283 Pinch Road, Mount Gretna, will offer special events. Programs are open to the public, but preregistration is required by contacting 717-964-3808 or governordick@hotmail.com and providing a name and phone number. Attendees should meet at the Environmental Center.

On Saturday, Oct. 1, the Humpty Dumpty Hike will step off at 11 a.m. Participants will gather all the pieces of Humpty scattered along the trail and put him back together while learning about the forest. A fee applies.

The Music on the Porch bluegrass jam will take place from 1 to 4 p.m. on Sunday, Oct. 2. Attendees are encouraged to bring a lawn chair. Pickers are welcome to attend.