Walnford to host ‘Winter Naturalist’ program The Monmouth County Park System will host "Winter Naturalist" on two Saturdays, Feb. 21 and 28, from 10-11:30 a.m. at Historic Walnford, Crosswicks Creek Park, Upper Freehold. Youngsters in grades four through six are invited to explore the wild winter world of Historic Walnford. The two-session nature program will include hands-on activities and outdoor fun (attendees should dress warmly). The cost is $15 per person. For more information or to register, call the park system at (732) 842-4000. For persons with hearing impairment, the TDD machine number is (732) 219-9484.