Superman Ultimate Flight at Six Flags Discovery Kingdom

Vallejo, California

Roller coasters at Six Flags Discovery Kingdom

10 open5 retired

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Medusa7xKong5xBoomerang3xJoker3x

Most inversions here, bars to scale

Coasters Compare Coming soon Retired Questions Closest parks Similar parks

Every coaster here

Pick the rider's height to see what they can ride. Tap a coaster for its own page.

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Showing all 10

Intensity is our own three-step scale from published figures: extreme is 150 feet or taller, 74 mph or faster or 6 or more inversions; thrill is 100 feet or taller, any inversion, or a height to ride over 42 inches; family is a height to ride of 42 inches or less. A coaster those figures do not place has no label. Height to ride is from the park or, where it publishes none, Wikipedia.

How they compare

Ridden one? Find it here and see where the rest sit.

Coming soon

Nothing announced

No new coaster is listed as being built at Six Flags Discovery Kingdom.

Retired coasters

The 5 that used to run here, newest closure first.

CoasterRanWhat it was
Harley Quinn Crazy Coaster2018 to 20192018 to 2019Steel
Roar1999 to 20151999 to 2015Wooden
Pandemonium2008 to 20122008 to 2012Steel
Zonga2003 to 20042003 to 2004Steel
Greased Lightnin'Dates not listedDates not listedSteel

Questions

How many roller coasters does Six Flags Discovery Kingdom have?

10 are operating. 5 more have closed for good.

Which coaster is the tallest, and which is the fastest?

Tallest: Superman Ultimate Flight, 150 feet. Fastest: Flash: Vertical Velocity, 65 mph.

What are the height requirements?

From 48 inches to 54 inches. At 48 inches a rider can ride 4 of the 8 with a published height. Only Superman Ultimate Flight, Flash: Vertical Velocity and Medusa need 54 inches. Our sources give no height to ride for Roadrunner Express and Cobra.

Which coasters go upside down?

6 of the 10: Medusa (7 times), Kong (5 times), Boomerang (3 times), Joker (3 times), Superman Ultimate Flight (1 times) and Flash: Vertical Velocity (1 times). The rest never turn you over.

Is a new coaster coming?

Nothing announced. No new coaster is listed as being built at Six Flags Discovery Kingdom.

Closest parks

Straight-line distance from Six Flags Discovery Kingdom, among US parks with five or more coasters.

Similar parks

The coaster line-ups closest to Six Flags Discovery Kingdom's.

Sources

Which coasters are open and closed, plus type, year, height, speed, times upside down and intensity: the Airtime Fever coaster dataset (Six Flags Discovery Kingdom, read Thu 10/1/2026). Our sources give no height to ride for Roadrunner Express and Cobra. Figures are rounded to the nearest foot and mph.

Closest parks: straight-line distance between park locations from Wikidata (each park's coordinates, or the middle of its coasters' coordinates, read Fri 10/2/2026), rounded to 10 miles, among parks with five or more coasters. Similar parks: counts from the Airtime Fever coaster dataset of the coasters that have a page: height, launches and inversions.

Photographs via Wikimedia Commons: Jeremy Thompson (CC BY 2.0), Jeremy Thompson from Los Angeles, California (CC BY 2.0), Jeremy Thompson from United States of America (CC BY 2.0), milst1 (CC BY-SA 2.0), Theerawat Sangprakarn (CC BY 2.0), Tinned Elk at en.wikipedia (CC BY-SA 3.0). Photographs via Coasterpedia: Jeremy Thompson (CC BY 2.0). A ride with no usable photo of it shows its name instead.

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