Six Flags Darien Lake | Six Flags, Welcome to Six Flags Darien Lake Come experience Buffalo’s largest, most thrilling theme park filled with over 45 exciting rides, shows, & attractions. We also have campgrounds & lodging on site so you can stay where you play! Plan Your Visit Welcome to Six Flags Darien Lake Come experience Buffalo’s largest, most thrilling theme park filled with … Six Flags Darien Lake Read More ».