Stone Mountain Park Membership FAQs Membership FAQs I lost my Mountain Membership cards. How do I get them replaced? Lost Cards can be replaced at the Crossroads or Skyride Ticket Plaza when all attractions are open. View the calendar here. Replacement fee for lost cards is $15.00. When can I activate my Membership and/or PreK pass? Membership/Pass Activation is available when all park attractions are open. You can view the calendar here At what age do I need to purchase a Membership for my child? Children 2 and under are free. Children from ages 3 -5 qualify for a FREE Pre-K Pass, deadline to register is May 19, 2024. Ages 3 – 11 can purchase a child Membership. Ages 12 + can purchase an adult Membership. Membership/Pass Activation is available when all park attractions are open. You can view the calendar here When do Memberships expire? Mountain Memberships are good for 12 months from the date of purchase. Can I share my Membership with another person? No, Memberships are non-transferable. When are Bring-A-Friend Free Dates? View details on Bring-A-Friend dates here