Sunday, April 27, 10 a.m.-3:30 p.m. – Join the Georgia Botanical Society and Park Naturalist Jerry Hightower as you travel above rock cliffs, through mature oak-hickory forest, mesic ravine forest, and floodplain forest. Pass rock outcrops and formations influenced by the Brevard Fault. Note: The $3 Daily Park Pass is not required for vehicles displaying a current Annual Park Pass or an America the Beautiful Pass. Reservations required; call 678-538-1200. Chattahoochee River National Recreation Area, Palisades Unit, 1425 Indian Trail, Sandy Springs, 30327. For more details, go to: www.nps.gov.