Under moonlight, explore the trails at Curtis Farm Preserve in Harpswell by cross-country ski or snowshoe from 5:30-7 p.m. Free. Snacks and hot drinks provided. Dogs welcome. Bring a headlamp or flashlight. Snowshoes available for use if you tell us in advance. This event is weather dependent. FMI: www.hhltmaine.org, 207-837-9613, firstname.lastname@example.org.