Six Flags White Water is a 69-acre water park located northwest of Atlanta, in unincorporated Cobb County. Originally opening in 1984 as White Water Atlanta, the park became part of the Six Flags family of parks in 1999. Today, it is marketed as a second gate to Six Flags Over Georgia, and the two parks often cross-promote each other. In 2012, the park hosted 505,000 visitors, ranking it #12 on the list of the top water parks in North America.