The park is open as scheduled (usually with almost all rides operating), rain or shine.
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If rain, wind or electrical storms force us to close certain rides for your safety, they will re-open as soon as safe operations can be assured. Refunds or rain checks for inclement weather are not offered.
Saturdays are typically the busiest, so if you do go on a weekend, Sundays are better. Furthermore, if you arrive after dinner time around 5 pm, ride lines typically thin out. Unsure of which months to visit? Weekdays during the summer and April, May, June, and September tend to be less packed.
While Cedar Fair plans to eventually close the park by 2033, the land rental agreement is a six-year lease through 2028 that gives Prologis the option of extending it another five years.
Food, beverages, coolers and grills may not be brought into the theme park. The only food exceptions are for food allergies as described below and infant food, in non-glass jars. The use of grills and open flames, are strictly prohibited, in and around the property, including parking lots.
The following behaviors or acts are not permitted at California's Great America: Carrying firearms, ammunition, knives and weapons of any kind and any other prohibited item. California's Great America reserves the right to prohibit any items at their discretion.
Glass is bad news when it breaks, which is why glass bottles are not allowed inside the parks. Bring an empty water bottle into the park and you can fill it at a water fountain. All other kinds of drinks must be purchased on-site.
Due to rider restraint system requirements, guests of a larger size may not be accommodated on some of our rides. This may apply, but not be limited to, guests who exceed 6'2 or those who exceed 225 pounds, have a 40 waistline or 52 chest.
What time does Six Flags Great America open and close? The park's operating hours vary depending on the day and are subject to change. Gates open at about 10:30 a.m. most mornings and stay open as late as 10 p.m. on some dates.
The park is open as scheduled (usually with almost all rides operating), rain or shine. Want to check weather conditions before you go? Visit the Weather Channel.
The amusement park originally opened as Marriott's Great America on May 29, 1976, as one of two theme parks built by the Marriott Corporation. Six Flags acquired the amusement park in 1984 after the theme park division was an earnings disappointment for Marriott.
Did you know that Six Flags Great America now has FREE WiFi throughout the park? Simply connect to the SixFlagsGuest WiFi network in your phone's settings and input your email address to gain access to our free WiFi.