Parks are arranged by U.S. state. Canada and Mexico follow at the end of the list.
CALIFORNIA
Six Flags Discovery Kingdom
Vallejo (near San Francisco)
Note that this parks used to be known as Marine World.
Hybrid zoo/oceanarium/amusement park
Six Flags Magic Mountain
Valencia (near Los Angeles)
(661) 255-4100
A cutting-edge thrill ride park with an incredible arsenal of roller coasters.
Affiliated water park: Hurricane Harbor
GEORGIA
American Adventures
Marietta
It appears the park closed for good in 2010. Located next to White Water waterpark, Six Flags had operated American Adventures.
Six Flags Over Georgia
Austell (near Atlanta)
Georgia
(770) 739-3400
ILLINOIS
Six Flags Great America
Gurnee (near Chicago and Milwaukee)
(847) 249-4636
Affiliated water park: Hurricane Harbor
KENTUCKY
Six Flags Kentucky Kingdom
NOTE: Six Flags closed Kentucky Kingdom before the 2010 season.
Louisville
Affiliated water park: Splashwater Kingdom
MARYLAND
Six Flags America
Mitchellville (near Washington, D.C.)
(301) 249-1500
Affiliated water park: Hurricane Harbor
MASSACHUSETTS
Six Flags New England
Agawam (near Springfield and Hartford, CT)
(413) 786-9300
Affiliated water park: Hurricane Harbor
MISSOURI
Six Flags St. Louis
Eureka (near St. Louis)
(636) 938-4800
Affiliated water park: Hurricane Harbor
NEW JERSEY
Six Flags Great Adventure
Jackson (southern part of the state, near the shore)
Affiliated water park: Hurricane Harbor
Enormous Six Flags complex with a drive-through Wild Safari park, a separate admission Hurricane Harbor waterpark, and one of the country's biggest and most popular seasonal ride parks.
NEW YORK
The Great Escape
Queensbury (near Lake George)
Operated by Six Flags
Affiliated Water Parks: Six Flags Great Escape Lodge Indoor Water Park
Splashwater Kingdom (outdoor water park)
TEXAS
Six Flags Fiesta Texas
San Antonio
(210) 697-5050
Affiliated water park: White Water Bay
Six Flags Over Texas
Arlington (near Dallas)
(817) 640-8900
CANADA
La Ronde
Montreal
Canada
(514) 397-2000
MEXICO
Six Flags Mexico
Mexico City
(52) 55 + 56453335
Mexico's largest amusement park. Includes the inverted coaster, Batman The Ride.
