Six Flags Great Adventure Opening Day 2024. Six flags great adventure in jackson just announced its opening date for the theme park's 50th anniversary year. Six flags great adventure will reopen next week and begin celebrating its 50th anniversary season, park officials said thursday.
The park will be open march 28 to april 7, including easter sunday. Six flags great adventure will reopen next week and begin celebrating its 50th anniversary season, park officials said thursday.