text: The top of Rock Mountain was filled with water:
  
  "It's named based on the Rocky Mountain Hydroelectric Plant that in turn created the recreation area. In the late 1970s Georgia Power purchased the land then known as Rock Mountain, from Berry College.[4] It is said that if seen from an aerial view, Rock Mountain looked like a bowl, thus making it perfect for a hydroelectric plant. 15 years later, the massive hydroelectric facilities and recreation areas were completed, and opened to the public."