Kelsey Frey, a York County Parks naturalist, will host an all-ages family scavenger hunt, 2:30-4 p.m. Sunday, Aug. 31, at Nixon County Park.

Teams or individuals will compete by answering questions and collecting natural items in a specified amount of time. Prizes will be awarded.

Admission is free and registration is not required. For more information, call the park's Nature Center at (717) 428-1961.