Learn about the land, plants, animals, fungi, phenology, and ecology. Geared for adults, these longer walks may cover some sloping terrain. Wear sturdy closed-toe shoes and come prepared for weather and insects. Walks canceled for unsafe conditions. Free, no registration required. Meet at Grady Tract parking lot, southeast corner of Seminole Hwy. and W. Beltline Frontage Rd. (No restroom facilities at Grady Tract.)