The Mental Health Association of Columbia and Greene Counties celebrates 58 years of community service with its presentation of the 10th annual Pumpkin Walk. Family entertainment begins at 4 p.m., followed at 6 p.m. by the Pumpkin Walk, a stroll along a path of illuminated jack-o-lanterns carved by children and artists from the community. Information at mhacg.org, or (518) 828 4619.