FREE. The Central Park Ice Festival will be at the Belvedere Castle (mid-Park at 79th Street) on Saturday January 19 from noon to 3pm. Sip on hot chocolate while watching Okamoto Studio carve Belvedere Castle and its surrounding landscape from ice.  You can also take a tour with the Urban Park Rangers and learn how ice shaped the Park’s geologic features. FREE and no advance registration. For more info call 212-772-0210