Governor Dick Environmental Center, 3283 Pinch Road, Mount Gretna, will host the 12th annual Bouldering Competition on Saturday, Nov. 19, from 8 to 11 a.m. In the case of rain, the event will take place on Sunday, Nov. 20.

Preregistration is required by contacting 717-964-3808 or governordick@hotmail.com and providing a name and phone number. Contestants should meet at the Environmental Center. There is a registration fee.