Governor Dick Environmental Center, 3283 Pinch Road, Mount Gretna, will host a Christmas Scavenger Hike on Saturday, Dec. 11, at 1 p.m. Participants will find hidden items on the trail to win a prize. There is a fee to participate.

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 in case the program is canceled.